Well, there's this thing called
(click that link to learn more about it). And market research companies like Forrester, Nielsen, JD Power, and many more pay companies like MintVine to collect survey responses at a grand scale. Why? Because it's really, really hard for companies to target prospective consumers to take their surveys. But MintVine uses its online survey matching algorithm to connect qualified users, in any given survey's target demographic, with these companies and their research.
These companies pay MintVine to seek out qualified survey takers, and MintVine pays individuals to take those surveys!