You won't get rich doing these things but it's legitimate and you'll get paid in the end. For example, you get a penny for each email you click. You get a penny for a video stream. You can earn dollars for fulfilling offers but those aren't nearly as quick as reading an email. They are upfront in what you get paid so you can decide if it's worth it.
After you sign up, you’ll receive surveys on various topics and products via email. Once you complete these surveys and build up a stash of “points,” you can redeem them for cash via PayPal, purchases made through Amazon.com, or gift cards to various retailers. As an alternate suggestion, you can even redeem your rewards as a donation to the Red Cross.
IOCS is a not-for-profit research organization that conducts studies and experiments on shopping-related behavior – things like how we, as consumers, evaluate products, how we make the buying decisions, etc. Although the focus is mostly on shopping related behavior, some of their experiments and studies include broader areas of marketing, psychology, and economics.