People go online for a variety of reasons, including entertainment and socializing. But the Internet is also used to find information and learn new things. Not sure how to use a new piece of software? There is probably a video tutorial on YouTube. Want to know what you can make for dinner with the three ingredients you have in your fridge? Check Pinterest for a recipe. This need for information and instruction has created a great opportunity for you to get paid for your knowledge. While some people have done this by creating a blog or writing booksan online course is another method of selling what you know.