RhinoFish - 2:43 pm on Jul 15, 2013 (gmt 0)
If a celeb endorses something for money, many people tend dismiss it when they see the disclosure. But they've staked their reputation on a product or service.
Reviewers, most often anonymous, could have a zillion reasons to lean one way or the other, and they've usually got nothing at risk with their position.
I've wondered if reviews of reviewers would solve the problem, but then I get stuck in an infinite loop death spiral towards the meaningless...