I definitely think it helps create buzz. The mere fact that it is mentioned means that people are more likely to discuss it.
Step 1: Book buzz/word of mouth
Step 3: World domination!
Tim's got the right steps, Jack. Heh-heh. Luv that second one!
Will follow up with my Reviews, Jack. I'm not Kirkus or PW, but I "work-it." When I put a review out, I social network the heck out of it, so let's see what we can do. Meantime, on to world domination, eh?