Earlier quoted context omitted.
Chalk me up as dumbfounded as well. How you build a business model upon something so simple, easy to replicate, and (to me) value-less is a mystery.
Why do you see user survey's as value-less? Being able to gather and analyze information from a group of people is a great value.
The interface is nice, and they appear to have sewn up the marketing world, so well done to them. I still want to build a much better version, but I'm not sure if there's a market for it.