IoT is a network of physical objects that are embedded with sensors, software, and other technologies that allow them to connect and exchange data with other devices and systems over the internet. These objects can range from everyday consumer devices like smartwatches and refrigerators to industrial equipment like manufacturing machines and oil rigs. Big Data If you have a talent for photography or videography, you can earn money by selling your work online. Platforms like Shutterstock and Getty Images allow individuals to upload and sell their photos and videos to businesses and individuals around the world.