Why you are paid for online surveys?
I wondered in past why they pay for underetaking an online survey and why this industry is exapnding a lot. I have seen people makin a healthy ammount of money by undertakin surveys. The reason is marketing industry has acknowledged the importance of consumer voice in modeling the products and services of the future. As the needs of the individual are as closely as possibly embedded in the development of products, product feature and innovations, it's getting more and more important to know what people like, dislike and dream about.
More details article on this : "Why You Can Get Paid to Take Free Surveys" by J Johnson.