There are advantages for readers as well. Assuming it will work like Google Local, then reviews from people you are connected to will be emphasized, and if you

There are advantages for readers as well. Assuming it will work like Google Local, then reviews from people you are connected to will be emphasized, and if you wonder about a specific review you can see a profile of the reviewer. Does he hate all Mexican food places, or only this one? The direct disadvantages are for the reviewers, who are the ones who loose anonymity.