Completely disagree. Reviews generated by "give a good review and we'll give you a prize" and "I'd hate to see you hit with a bunch of bad reviews because you

Completely disagree. Reviews generated by "give a good review and we'll give you a prize" and "I'd hate to see you hit with a bunch of bad reviews because you didn't pay us more money" are completely worthless and are the core of Yelps business model. It's the definition of easy-to-game and untrustworthy.