Increase your knowledge and get paid for it. That’s it in short. A wonderful site where the quizzes are classified into three categories- Beginner, Intermediate and advanced levels. There are various subjects like Science, History, Maths, Speeling, Music, Definitions, Geography etc. and you can participate as you like. You get points on completion of each quiz and you may bank them or forget them. You keep accumulating them and at the end of the month it is converted to dollars.
I am sure you will get hooked to this site, more so if you have a fast internet connection. So go ahead increase your knowledge and get paid for it.