Following are some of the most common real-world applications of IoT: 

• Smart Homes: Smart homes are one of the most practical applications of IoT. Though IoT is applied in smart homes at various levels, the best one combines intelligent systems and entertainment. Example: Set-top box that allows you to record shows from REMOTE, an automatic lighting system, a smart lock, etc.
• Connect Health: Connected health systems allow for real-time monitoring and patient CARE. Patient data assists in better medical decisions. Also, IoT improves the power, precision, and availability of current devices.
• Wearables: Wearable devices have emerged as one of the earliest industries to deploy the IoT at scale. Various wearable devices are available today, such as Fit Bits, heart rate monitors, and smartwatches.
• Connected Cars: Connected cars use internet connectivity and onboard sensors to optimize their operation, maintenance, and PASSENGERS' comfort. Some of the LEADING automakers are working on bringing the next revolution to the car industry, including Tesla, BMW, Apple, and Google.
• Hospitality: By applying IoT to the hotel industry, a higher level of service quality is achieved. Various interactions can be automated by using electronic keys that are sent directly to the mobile devices of guests. Therefore, the IoT technology enables integrated applications to manage activities such as tracking guests' locations, sending offers or information about interesting activities, placing orders for room service or room orders, and automatically charging the room account.
• Farming: A variety of tools are being developed to deal with Drip Irrigation, understanding crop patterns, Water Distribution, drones for farm surveillance, etc. Farmers will be able to increase yields and address concerns using these methods.