The threat that blackmailing bloggers and Yelpers pose to businesses like restaurants and hotels is real, and small and large businesses need to find ways to counter the threat while building strong relationships with consumers.
So if you realize there’s a critic in your midst (and even this is somewhat unlikely as many critics try to dine anonymously, and you should do your best to let them), the best thing to do is treat him like any other customer. Don’t send free food. Don’t fawn over him, force the chef to go out and speak to him, or make a big deal out of his presence.
… The world of blogging, however, is completely different than the world of professional criticism. Many food bloggers expect and regularly receive free meals.