The Internet of Things (IoT): History, Applications, Benefits, and Challenges in 2025
1. Introduction
The term “Internet of Things” (IoT) was coined by Kevin Ashton at a presentation to Proctor & Gamble in 1999. He is one of the founders of the Massachusetts Institute of Technology’s Automatic Recognition Lab. He pioneered RFID (used in barcode detector) technology in the field of supply chain management. He also founded Zensi, a company that manufactures energy sensing and monitoring technologies.
The Internet of Things is an emerging topic of technical, social and economic importance. Consumer products, durable goods, cars and trucks, industrial components and facilities, sensors, and other everyday objects are combined with internet connectivity and powerful data analysis capabilities that promise to transform the way we live and work.
A major shift in our daily routines can be observed along with the widespread implementation of IoT devices and technologies. IoT is everywhere, although we don’t always see it or know that a device is part of it. For consumers, new IoT products like Internet-enabled devices, home automation components and power management devices drives us toward seeing “Smart home”, which provides more safety and energy efficiency. Other IoT personal devices such as wearable fitness and health monitors that support the network-enabled medical devices are transforming the way healthcare services are delivered. The Internet of Things transforms physical objects into an information ecosystem shared between wearable, portable, and even implantable devices, making our life technology and data rich.
The IoT technology promises to be useful for people with disabilities and the elderly, allowing for improved levels of independence and quality of life at a reasonable cost. Internet of things systems such as networked vehicles, smart traffic systems, and sensors embedded in roads and bridges bring us closer to the idea of “smart cities”, which help reduce congestion and energy consumption. IoT technology offers the potential to transform agriculture, industry, and energy production and distribution is increasing availability of information along the production value chain using networked sensors.
A number of companies and research organizations have provided a wide range of expectations about the potential impact of the Internet of Things on Internet and the economy over the next decade. Huawei expects 100 billion IoT connections by 2025 . Manyika et al. estimating the potential economic impact of the Internet of Things from $3.9 to $11 trillion annually in 2025, driven by: Lower device prices, advanced cloud storage computing, higher speed and lower delivery costs. This increases the number of machines and devices connected to the Internet. Also estimated (2015) that the Internet of Things will contribute 4% - 11% of global GDP in 2025.
However, at the same time, the Internet of Things raises significant challenges that could stand in the way of realizing its potential benefits. Attention-grabbing headlines about internet device hacking, surveillance concerns, and privacy concerns have already captured the public’s attention Technical challenges remain, and new political, legal and development challenges arise. This discussion is “promise versus risk” along with the flow of information through popular media and Marketing can make the Internet of Things a complex topic to understand.
This overview paper is designed to help readers and researchers understanding the IoT potential benefits and most key issues that face it. The paper is organized as follows: Section 2 provides a definition and literature review of IoT; Section 3: describes the components of IoT architecture; Section 4: Sensors and actuators are discussed followed by section 5: identifies important key issues and challenges then communication stage in Section 6. Finally, section 7 provides emerging application domains of IoT.
What is The Internet of Things?
The Internet of Things refers to ecosystems of connected devices, from crop sensors that judge whether a field is well-irrigated enough to a smart refrigerator.
While the average person might think of IoT as the smart gadgets they have in their home, the topic is wider, and older, than that. The term “internet of things” was coined in 1999 by British technologist Kevin Ashton, but the first example of it in action came far earlier.
Most, including IBM, cite the first use of what we might today call the Internet of Things as a connected Coca-Cola vending machine installed at Carnegie Mellon University in 1982. That’s a decade before the World Wide Web went public. The soda machine was connected to a computer network in order to relay stock levels and drink temperature. It still sounds fairly smart today, right?
Key Components:
When we talk about the “components” of IoT, we’re referring to the hardware and software that make up an IoT device or system.
The hardware component refers to the physical devices that are connected to the internet. These can be anything from sensors and cameras to cars and industrial machines.
The software component, on the other hand, is the set of programs and algorithms that run on these devices and enable them to collect and analyze data, make decisions, and carry out actions.
It is said that there are typically 4 main components of IoT – sensors and actuators, connectivity, data processing, and user interface. Let’s look into these in more detail.
Sensors and actuators
These are the devices that collect data from the environment and carry out actions based on that data. They are sometimes referred to as “things” in IoT.
Sensors are used to collect data, such as temperature, light, sound, or pressure. Actuators, on the other hand, are used to carry out an action based on the data that has been collected, such as turning on a light or opening a door.
Connectivity
After the data is collected, it needs a way to get to the cloud (or other data storage location) so it can be processed and analyzed. This is where connectivity comes in.
Connectivity refers to the various technologies that are used to connect devices to the internet, such as WiFi, Bluetooth, cellular, or satellite. The data that was gathered through the sensors is then transmitted over the internet using one of these technologies.
Data processing
For data to be useful, it needs to be processed and analyzed through data processing. Data processing refers to the algorithms and software that are used to make sense of the data that has been collected.
As mentioned previously, this can be anything from simple data aggregation to complex machine learning.
User interface
Last but not least, we have the user interface. The user interface is what allows humans to interact with IoT devices and systems. This is the last stage of the data processing pipeline and is what allows us to control the devices or see the data that has been collected.
After all, the data collected has to serve some purpose for us, whether it’s helping us make a decision or simply providing us with information.
Types of IoT Applications:
Billions of devices are connected to the internet, collecting and sharing information with one another. They range from smart home setups like cooking appliances and smoke detectors to military-grade surveillance equipment. The list below outlines a few of the most common types of IoT applications.
1. Consumer IoT
Consumer IoT refers to personal and wearable devices that connect to the internet. These devices are often referred to as smart devices.
2. Industrial Internet of Things (IoT)
The industrial Internet of Things is the system of interconnected devices in the industrial sector. Manufacturing machinery and devices used for energy management are a part of the industrial Internet of Things.
3. Commercial IoT
Commercial IoT refers to the tools and systems used outside of the home. For example, businesses and health care organizations leverage commercial IoT for auditable data trails and consumer management.
What Are Examples And Applications of The Internet of Things?
IoT is so prevalent it can almost seem easier to count what isn’t related to this area. There are great IoT examples for cars, kettles, coffee machines, fridges, washing machines, smartphones and bread makers.
From the consumer side, anything that has a companion app likely has an IoT element involved. It gets a little more interesting when products’ intercommunication can be broadened out to a wider IoT platform. Top consumer IoT platforms include Samsung SmartThings, Google Home and Amazon Alexa. These can control hundreds of even thousands of IoT devices from one user-friendly consumer interface.
Of course, if you asked someone who actually works in the field about IoT platforms, you would get a completely different answer. They would talk about back-end platforms like Microsoft Azure, Google Cloud, Amazon AWS and PTC Thingworx. These are the systems used to construct and operate IoT systems and handle the data and cloud compute requirements.
This is the norm when you move away from thinking about IoT within the home (although naturally these consumer devices still use such a backend), and look at IoT within industry.
For example, in 2023 IEEE published a paper on an IoT agriculture system in Senegal, where more traditional methods of farming are still the norm. The paper proposes IoT as a way to improve crop yield, to give “real-time advice” including the “most suitable crops for a given field,” and to help moderate water use, all employing sensor data as a guide.
Closer to home, Walmart has published an article on how it uses IoT in all of its 4000-plus U.S. stores. Sensors are used to remotely monitor the temperature of fridge and freezer units to ensure food safety (and quality), and to act as an early warning system of machine failures.
Edge computing
Edge computing is a computing framework. It aims to conserve resources and speed up response time by moving computational resources like data storage closer to the data source. The IoT accomplishes this by utilizing edge devices like IoT gateways.
Benefits of the Internet of Things
Before the introduction of the IoT, devices could only collect and share information with human interaction. Today, the IoT enables lower operational costs, increased safety and productivity, and overall improved customer experience. Here are a few notable pros of the Internet of Things:
- Automation. Removing the need to perform mundane tasks like turning the thermostat on and off or locking doors increases efficiency and quality of life.
- Conservation. Automation makes it easier to manage energy consumption and water usage without human oversight or error.
- Big data analytics. Information that was previously difficult to collect and analyze can be tracked effortlessly with the Internet of Things.
You can learn more about how the IoT benefits certain industries in the sections below.
The Internet of Things in health care
The IoT helps decrease the need for traditional record-keeping and protects patients with real-time alerts. For example, glucose monitors can alert the patient or caretaker when glucose levels become problematic and prompt the appropriate action.
The Internet of Things in business
The IoT is essential to business. It makes it possible to collect and analyze massive amounts of data in real time. IoT devices also enable automation. They allow people to gain more control over their environments, health, and even safety. For example, smart home security systems can automatically assess threats like burglary or carbon monoxide poisoning and call for help.
Potential drawbacks of IoT
Managing large amounts of data poses certain risks and disadvantages. For example, more IoT devices mean more human intervention through network and device monitoring. Some security researchers believe that cybersecurity professionals may face an increased workload as the IoT grows. Here are a few more potential drawbacks of the Internet of Things:
- Privacy concerns. It can be challenging to protect the data mined by IoT devices. Increased tracking threatens the confidentiality of the information we share over the internet.
- Security issues. Individual device security is left up to the manufacturers. Wireless network security could become compromised if manufacturers do not prioritize security measures.
- Bandwidth. Too many connected devices on a shared network results in slow internet speeds.
IoT jobs
Many different career paths exist for someone who wants to work with the IoT. You can learn about a few of the most common job titles with the list below.
- Technical IoT project manager. Technical IoT project managers provide organizations with technical expertise and team leadership. They also design and implement new methods to increase efficiency.
- IoT architect. IoT architects design and create IoT solutions to solve business problems.
- IoT engineer. IoT engineers develop and manage IoT hardware, software, platforms, and systems.
Do you want to learn more about IoT development or prepare for a career in IoT? You can enroll for free today with An Introduction to Programming the IoT, an online specialization from the University of California Irvine.
8. FAQ of IoT
Q1.What are the 4 main components of IoT?
Ans: However, all complete IoT systems are the same in that they represent the integration of four distinct components: sensors/devices, connectivity, data processing, and a user interface. Read more.
9. Conclusions
IoT has gradually brought about a lot of technological changes in our daily life, which in turn helps make our lives simpler and more comfortable, through various technologies and applications. There is an infinite benefit to IoT applications in all fields. The Internet of Things holds an important promise to provide social and economic benefits to the emerging and developing economy. This includes areas such as sustainable agriculture, water quality and use, health care, manufacturing and environmental management, among others. As such, the IoT holds promise as a tool in achieving the United Nations Sustainable Development Goals. However, the issues and challenges associated with IoT must be considered and addressed in order to realize the potential benefits to individuals, society and the economy.
Ultimately, solutions will not be found to maximize the benefits of the IoT while minimizing the risks by engaging in a polarized discussion that pits IoT’s promises against its potential risks. In a way, it will take informed participation, dialogue and collaboration across a range of stakeholders to chart the most effective way forward, and the set of IoT challenges will not be limited to industrialized countries. Developing regions will also need to respond to realize the potential benefits of the Internet of Things. In addition, it will need to address unique needs and challenges for implementation in less developed regions, including infrastructure readiness, market and investment incentives, technical skills requirements, and policy resources.
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