The web is full of survey sites. What's the deal with them? Well, some exist just for the fun of it, other sites pay visitors to take surveys that provide companies with consumer information and still others use surveys as tools to gather information. If you're a blogger, you're probably well aware of the popularity of survey sites. Wondering if you can leverage the survey trend to drive more traffic to your site? Actually, yes, there's lots of potential that you should tap into.