Paid surveys are conducted by market research firms. Large companies spend billions of dollars a year on advertising. Market research companies are hired to test their advertisements or do research so that they know the best way to advertise to certain markets. These market research firms have large panels of people they use to conduct their studies. They do their research through having people test the products, mystery shoppers, and paid surveys.
Most of these paid surveys pay a small amount of money, usually sport ween $2 and $10, and take about fifteen minutes to complete. Some people have made a significant amount of money simply taking paid surveys.
Paid surveys are usually taken online, or less commonly through postal methods. Many websites exist where one can input certain characteristics about themselves and be emailed revalent surveys which are filled out for money.