Internet of Things (IoT)
The Internet of Things (IoT) is a network of physical objects embedded with sensors, software, and other technologies that connect and exchange data with other devices and systems over the Internet. This enables autonomous operation, real-time monitoring, and data collection to improve efficiency and enable new services.
IoT represents a transformative phase in the digital revolution, marking the convergence of the physical and digital worlds. It encompasses a vast network of connected devices, from everyday household items to sophisticated industrial tools, all communicating and exchanging data.
How does IoT connect the physical with the digital?
The core principle of the IoT lies in connecting physical objects to the internet through embedded sensors, software, and other technologies. These "things" – ranging from wearables and smart appliances to industrial machinery and even agricultural sensors – can then collect, transmit, and analyze data, fostering real-time communication and automated actions. Here is how exactly everything happens:
Physical to digital
Sensors and actuators. Physical devices are equipped with sensors that gather data about their environment (temperature, pressure, motion, etc.). Actuators, which can be controlled digitally to perform actions in the physical world (turning on lights, adjusting thermostats, opening valves), are also used.
Data acquisition and conversion. Sensor data is collected and converted into digital signals that can be understood by computers. This may involve analog-to-digital converters (ADCs) for continuous data or digital signal processing (DSP) techniques for complex signals.
Communication protocols. Devices communicate with each other and gateways using standardized protocols like Wi-Fi, Bluetooth, Zigbee, or cellular networks. These protocols define how data is formatted, transmitted, and received.
Digital to physical
Data processing and analysis. The collected data is sent to cloud platforms or local processing units. Here, the data is analyzed, filtered, and aggregated to extract meaningful insights.
Decision-making and control. Based on the analyzed data, automated decisions can be made. This could involve sending commands to actuators to control physical devices or triggering pre-programmed actions.
User interfaces and feedback. Users can interact with the IoT system through mobile apps, dashboards, or voice assistants. This allows for monitoring system performance, issuing commands, and receiving feedback from connected devices.
Key technical components
Embedded systems. Small, low-power computers are embedded within devices, allowing them to collect data, communicate, and perform basic processing tasks.
Connectivity infrastructure. Networks like Wi-Fi, cellular, or specialized low-power wide-area networks are crucial for data transmission between devices and gateways.
Cloud platforms. Cloud computing offers centralized data storage, processing power, and analytics capabilities to manage large-scale IoT deployments.
Security measures. Robust security protocols are essential to protect data privacy, ensure device authentication, and prevent unauthorized access to the network.
Applications of IoT
The applications of the IoT are far-reaching and constantly evolving, impacting various aspects of our lives. Here are 10 prominent examples:
Smart homes. Thermostats that adjust the temperature based on your habits (Nest by Google).
Wearable fitness trackers. Monitor activity, heart rate, and sleep patterns (Fitbit).
Smart appliances. Refrigerators that reorder groceries when supplies run low (Samsung Family Hub).
Connected cars. Provide real-time traffic updates and remote diagnostics (OnStar by General Motors).
Industrial asset tracking. Sensors monitor the location and condition of equipment in factories (Honeywell).
Precision agriculture. Sensors optimize irrigation and fertilizer using real-time soil data (John Deere).
Smart cities. Traffic lights adjust based on congestion, and waste bins indicate fullness (Siemens).
Remote patient monitoring. Track vitals and health data for elderly or chronically ill patients (Philips).
Retail inventory management. Monitor stock levels and automate reordering for optimal inventory control (Amazon Go stores).
Connected security systems. Cameras and sensors provide real-time security monitoring and alerts (Ajax).
How do we safeguard the connected world?
While the potential benefits of the IoT are undeniable, security concerns remain a pressing issue. As more devices become interconnected, the potential attack surface expands, making them vulnerable to hacking and data breaches. What security challenges associated with the IoT do we face today?
Device vulnerability. Many IoT devices have weak security protections, making them easy targets for hacking and malware attacks.
Data privacy. The vast amount of data collected by IoT devices can include sensitive personal information, raising significant privacy concerns if not properly protected.
Network security. IoT devices can serve as entry points to wider networks, potentially allowing attackers to access critical systems and data.
Software updates. Some IoT devices lack the capability for automatic updates, leaving known vulnerabilities unpatched.
Lack of standardization. The IoT industry lacks uniform security standards, leading to inconsistent security practices and increased risk.
DDoS attacks. IoT devices can be hijacked to form botnets, which are then used to launch DDoS attacks, overwhelming networks with traffic.
By implementing robust security measures, using strong encryption, and keeping devices updated, the risks associated with IoT can be mitigated. Among companies working on improving IoT security are:
The Internet of Things Security Foundation (IoTSF) – a global industry consortium focused on developing best practices and standards for IoT security.
The Open Web Application Security Project (OWASP) – provides resources and guidance on securing web applications, which can be relevant to some IoT devices, and
National Institute of Standards and Technology (NIST) – develops cybersecurity frameworks and recommendations that can be applied to IoT deployments.
The future of the connected world
The IoT is here to stay, shaping a future where the physical and digital worlds converge seamlessly. By embracing its potential, addressing security concerns, and fostering responsible development, we can ensure that the IoT serves humanity and paves the way for a more sustainable and interconnected future.
As we move forward, we should remember that the true power of the IoT lies not just in connecting things, but also in connecting people and fostering collaboration to build a brighter future for all.
IRS form 1099-MISC
The IRS, or the Internal Revenue Service, is the tax collection agency of the United States federal government. Form 1099-MISC is a U.S. tax document used to report certain payments above $600 to the IRS. Its name, "MISC," stands for miscellaneous information.
What is the purpose of 1099-MISC?
This form captures various income types not coming from standard wages. It's sometimes called the "catch-all of tax documents." Businesses send this type of financial data to the IRS to record:
Rent payments. For space or equipment.
Prizes. Such as from lotteries or fantasy sports.
Medical payments. Including social security and medical care.
General income. Like insurance proceeds or study payments.
Payments to lawyers.
Notional principal contract payments.
Fishing proceeds.
Royalties. Minimum of $10.
Direct sales earnings. Above $5,000.
Exceptions to the $600 rule
Sometimes, 1099-MISC is required even if payments are below $600. Here are the examples.
Royalties. For property use, including intellectual rights, if over $10.
Backup withholding. When a court orders money withholding.
Excess golden parachute payments. Over-compensating employees.
1099-MISC vs 1099-NEC
Businesses no longer use 1099-MISC for independent contractor payments. Since 2020, payments above $600 to freelancers are recorded on Form 1099-NEC. The main difference is the deadline and box where nonemployee compensation is recorded. For years prior to 2020, businesses used the old 1099-MISC for these payments.
Who should file 1099-MISC?
Entities like small to large businesses, pension trusts, and non-exempt farmers' cooperatives utilize this form to document the funds they transfer to third parties within a year.
Filling out form 1099-MISC
First, get a completed Form W-9 from the payee. The form has multiple copies, each for different recipients like the IRS, state tax department, and the payee. Key sections are the boxes indicating payment types. There's also a checkbox for foreign asset reporting under FATCA (Foreign Account Tax Compliance Act).
How to submit 1099-MISC?
To the Recipient – mail it, or with permission, send it electronically.
To the IRS – use the IRS FIRE system for online submission. For less than 250 forms, you can mail using scannable templates and Form 1096 from the IRS website.
Submission deadline
To the recipient – January 31st.
To the IRS – February 28 (paper) and March 31 (electronically).
Penalties
Late or incorrect 1099-MISC filings may incur fines. Extensions are possible via Form 8809.
Reporting 1099-MISC on tax returns
Typically, income from box 3 goes to the "Other income" on Form 1040.
For employees getting 1099-MISC
If you're an employee and received a 1099-MISC, you should've received a W-2 instead. Consult your employer to negotiate the misunderstanding.
For independent contractors
You'll likely receive a 1099-NEC. But there are other tax forms you might get, such as:
1099-G. It is used for tax refunds and government income.
1099-B. It covers income from securities sales or online bartering.
1099-LTC. This form is responsible for health and sudden-death insurance payments.
1099-R. You may get it for pension, retirement, or disability payments.
1099-DIV and 1099-INT. These forms cover dividends and interest.
1099-K. This form is used for income via payment processors.
1099-S. It covers property sales or exchanges.
***
This is a simplified summary of 1099-MISC, its practices, and rules. To avoid misunderstandings or miscalculations, consult tax guidelines or a professional when dealing with IRS forms.
IRS Form W-4
The W-4 form, officially titled "Employee's Withholding Certificate," is a form used in the United States that employees fill out to tell their employers how much federal income tax to withhold from their paychecks. The form is provided by the Internal Revenue Service (IRS).
Purpose of Form W-4
Whenever you start a new job or switch positions, you'll need to fill out Form W-4. This form tells your employer how much tax to deduct based on your expected earnings and other personal details. It's vital to be accurate to avoid
Overpaying and lending money to the government.
Underpaying and facing a large tax bill with possible penalties later.
Recent changes to Form W-4
The Form W-4 underwent significant changes in 2020. These changes were implemented to make the process of specifying withholding more accurate and user-friendly, and they reflect adjustments made in response to the Tax Cuts and Jobs Act of 2017. Here are some of the key changes that were introduced:
Removal of allowances. Prior versions of the W-4 used a system of "allowances" tied to the personal exemption to help determine withholding amounts. Since the Tax Cuts and Jobs Act eliminated personal exemptions, the 2020 W-4 no longer uses this allowances system.
Introduction of a five-step process. The redesigned W-4 introduced a five-step process for indicating how much tax should be withheld. Only Steps 1 and 5 (entering personal information and signing the form) are mandatory. The other steps are optional, but providing this additional information will result in more accurate withholding.
Multiple jobs and working spouses. The new W-4 includes a dedicated section for indicating if a person holds more than one job or if they have a working spouse. This adjustment is to ensure that the right amount of tax is withheld when there's more than one income source in a household.
Claiming dependents. The form has a section where taxpayers can factor in the tax credits they expect to claim for dependents.
Other adjustments and extra withholding. The redesigned form allows for other income (not from jobs), deductions other than the standard deduction, and any extra withholding an employee wants.
New publication and worksheet. The IRS introduced Publication 15-T, which includes worksheets that employers can use alongside the new W-4 to calculate withholding. This was necessary due to the significant changes in the form's design.
Existing employees and the new form. Employees who had already submitted a W-4 in a previous year were not required to submit a new W-4. Employers continued to calculate withholding based on the previously submitted form. However, any new hires or employees who wanted to make adjustments after 2019 were required to use the new form.
Frequency of submission
While the IRS suggests updating Form W-4 annually, it's not mandatory unless there are significant changes in your life, such as a new job, marriage, divorce, or the birth of a child.
How to complete form W-4?
Step 1 → Provide personal details like your name, address, social security number, and marital status.
Step 2 → Mention if you have multiple jobs or if you and your spouse are both employed.
Step 3 → Parents can indicate if they qualify for child tax credits.
Step 4 → Detail any extra deductions or additional tax to be withheld.
Step 5 → Review, sign, and date the form.
Notes:
New employees filling out the W-4 for the first time must complete Steps 1 and 5 at a minimum.
Current employees updating their W-4 can fill out only the sections requiring updates. For instance, if you simply want to adjust the additional withholding amount, you can fill out Steps 1 and 4(c), and then sign the form.
If you're uncertain about any aspect of the form, consider using the IRS's Tax Withholding Estimator tool. It provides a detailed guide through each section based on your individual financial situation.
Always consult with a tax professional if you're unsure about how to complete the form, especially if you have complex financial situations such as multiple sources of income, large amounts of non-wage income, or significant deductions.
What’s the difference between W-4 and W-2 forms?
Form W-2, sent annually by employers to both the employee and IRS, details the employee's total wages and deducted taxes. The W-4 is retained by the employer, while the W-2 is submitted to the IRS.
In other words, the W-4 is a tool for employees to communicate their tax situation to employers for accurate tax withholding, while the W-2 is an annual summary of wages earned and taxes withheld, which is crucial for tax filing.
Miscellaneous
Using technology for accuracy. The IRS recommends using their online Tax Withholding Estimator for precise withholding calculations.
Processing time for new W-4. New forms typically impact your next paycheck, but existing employees may need to wait up to 30 days after submitting an updated form.
If no W-4 is provided. If an employee doesn't provide a W-4, employers will classify them as a single filer with no allowances.
Accessing form W-4. The 2023 version of Form W-4 is available on the IRS website. Always use the most recent form available.
Requirement to update in 2023. Employees aren't required to submit a new form in 2023 unless they have changes to report. Employers can request an update, but if the employee declines, the last submitted form will be used for tax calculations.
IT staffing
IT staffing refers to the process of hiring skilled professionals to fulfill technical roles within your company. Depending on your needs, it can involve temporary, part-time, or full-time placements. IT staffing vendors and IT recruiting agencies can help you find candidates with the right expertise for roles such as software developers, cybersecurity analysts, data scientists, and many more.
How it was vs How it is in 2025
IT staffing began gaining popularity in the 1990s with the expansion of the technology industry. The demand for specialized roles in programming and system management outpaced the ability of many companies to hire internally. By the early 2000s, IT staffing became a distinct sector within the broader staffing industry.
Today, IT staffing is a global industry that supports the US staffing market of $207 billion. The IT sector accounts for a significant portion of this, valued at over $43 billion annually in the US alone. Approximately 92% of large corporations globally rely on IT outsourcing or staffing solutions to meet their technological needs.
Flexible work models, remote hiring, and advanced tools like AI for talent sourcing have revolutionized IT staffing. Agencies and IT vendors increasingly focus on providing top-tier specialists and assembling cohesive teams that can contribute to long-term projects.
Key tools and practices of IT staffing
As the demand for skilled IT professionals grows, efficient staffing becomes more important. Companies need the right tools and practices to make faster and more accurate hiring decisions to remain competitive and simplify recruitment.
Below are some of the most useful solutions available today, each designed to improve different stages of the recruitment process—from sourcing and assessing talent to managing candidate relationships and facilitating communication.
Try out these tools to speed up hiring, improve the quality of your teams, and achieve better recruitment results.
1. Categorized candidate databases
Organizing talent pools by skills, experience, and location helps recruiters and vendors locate profiles that match specific roles, reducing time-to-hire. This segmentation also enables targeted searches for candidates with niche expertise, enhancing the quality of hires. Additionally, it can help identify candidates for future roles and ensure long-term talent availability.
2. Talent matching tools
AI-powered platforms analyze job requirements and candidate profiles to recommend the most suitable candidates. These tools assess technical skills and other factors like experience, career goals, and cultural fit, which improves decision-making accuracy. Automating the match process saves time and reduces human bias, which leads to better hiring outcomes.
3. Chat platform and user support
Integrated chat tools provide real-time communication between recruiters, clients, and candidates, improving responsiveness and interaction quality. These platforms also allow recruiters to resolve queries quickly, which is especially useful in fast-paced hiring environments. Features like automated scheduling and follow-up reminders further streamline the recruitment process.
4. Skill assessment platforms
These platforms offer technical challenges or coding tests to evaluate a candidate’s abilities in real-world scenarios and ensure they meet role-specific demands. Solutions like Codility or HackerRank can assess proficiency in programming languages, problem-solving, and algorithm design and objectively evaluate candidates’ technical skills. They also help reduce hiring mistakes by verifying a candidate’s actual capabilities before hiring.
5. Applicant tracking systems
ATS solutions centralize job postings, applications, and candidate data, simplifying recruitment workflows. Tools like Greenhouse or Lever help recruiters track candidates’ progress, schedule interviews, and manage feedback all in one platform. They also support automated resume parsing and candidate screening, accelerating the hiring process while ensuring no candidate is overlooked.
6. Candidate relationship management tools
CRM tools manage long-term relationships with candidates and maintain an active pipeline for future hiring needs. By nurturing ongoing communication and providing tailored content, platforms like Beamery or Avature help keep candidates engaged, even when there are no immediate openings. This proactive approach can significantly reduce time-to-fill when new roles arise and improve candidate retention rates.
7. AI-powered talent matching
These AI-driven platforms match job openings with candidates based on data-driven analysis of skills, experience, and cultural fit. Tools such as Eightfold AI and SeekOut offer deep learning algorithms that evaluate candidate profiles holistically and lead to more precise job matches. These systems also help predict future talent needs based on workforce trends, optimizing long-term hiring strategies.
8. Remote interview and collaboration platforms
Remote interview tools like CodeSignal and CoderPad help with virtual interactions, including live coding assessments and team collaboration. These platforms are essential to evaluate candidates remotely, especially in a hybrid or fully remote work environment. Features like screen sharing, real-time feedback, and technical challenges make assessing a candidate’s skills and teamwork abilities easier in a realistic setting.
Benefits and challenges of IT staffing
IT staffing offers many benefits that make it a popular solution for businesses. It is cost-effective because companies only pay for the skills they need, avoiding expenses like training, benefits, or infrastructure for full-time employees. It also provides access to specialized expertise, which helps you to access people with niche skill sets that might not be available locally.
Pre-vetted talent pools from staffing agencies speed up the hiring process and ensure projects stay on track. Additionally, staff augmentation vendors and other staffing agencies take care of payroll, legal compliance, and administrative tasks, which eases the burden on the client.
However, there are challenges. Ensuring temporary or remote workers align with a company’s culture can be difficult, potentially impacting team dynamics. The nature of short-term roles or perceived job instability can lead to higher turnover rates. In some cases, agencies may provide talent that doesn’t meet quality standards, requiring extra effort in vetting candidates. Communication can also be an issue, especially when dealing with global teams, where language differences and time zone mismatches can hinder collaboration. Over-reliance on staffing agencies creates risks if the partnership dissolves or if the agency fails to deliver.
Balancing these benefits and challenges requires choosing the right IT staffing partner and setting clear expectations. With proper planning and a reliable partner, IT staffing can be an effective way to achieve project goals while maintaining flexibility.
Comparison of IT staffing models
Different IT staffing models address various business needs – they offer flexibility, cost efficiency, or long-term reliability. Here's an overview of the five most popular models.
Staff augmentation adds skilled IT professionals temporarily to an in-house team. This model suits short-term projects, skill shortages, or scaling teams during peak demand. For example, a startup may need a data scientist for a six-month AI project. Advantages include quick access to talent, no long-term commitment, and the ability to retain control over the project. Challenges include needing strong management for integration and creating dependency on external resources.
Dedicated development teams are remote teams fully focused on a client's projects, acting as an extension of the in-house staff. This model works well for long-term development needs, ongoing product evolution, or startups aiming to scale quickly. A fintech company might partner with a staffing agency to build a secure payment gateway with a team of nine developers. The model's benefits include full project focus, deep integration into company culture and goals, and cost savings compared to building an in-house team. Challenges include the need for long-term planning, management, and potential communication issues across time zones.
Managed services involves a vendor taking full ownership of a project or service, including team management and delivery. This model suits companies wanting to outsource non-core functions like IT support or maintenance. For instance, a retail company might outsource cloud migration to an IT service provider. Advantages include a hands-off approach for the client, predictable costs with service-level agreements, and access to end-to-end solutions. However, it offers less control over the process and relies heavily on the vendor’s expertise.
Freelancers are independent professionals hired for specific tasks or projects, typically for small-scale, well-defined jobs or one-off tasks. For example, a business might hire a graphic designer for a website redesign. Freelancers are cost-effective for small tasks and provide hiring flexibility, but they come with limited accountability and no long-term commitment to the project.
In-house hiring involves recruiting full-time employees as part of the internal team. This model suits core business operations requiring ongoing involvement, like when an e-commerce platform hires in-house DevOps engineers. Benefits include complete control over the team and project and alignment with company culture. However, it incurs high costs for salaries, benefits, and infrastructure, and the hiring process can be lengthy.
Summing up
Choosing the right IT staffing model depends on your project's complexity, duration, and budget. Staff augmentation is ideal for companies needing immediate support for specific tasks, while dedicated teams work well for scaling startups or long-term projects. Managed services help streamline non-core functions. Companies can also combine models—for example, adding dedicated remote developers to an in-house team during peak workloads.
