SB Sarah got a heads up from a Janet Evanovich fan that early reviews were disappearing from the Barnes and Noble site. Of course, the only deleted reviews were the negative ones. Google cache which preserves snapshots of past versions of a webpage showed at least two negative reviews that are nowhere to be found on the Barnes and Noble site.
It really does damage to consumer confidence when the reviews are so easily gamed at these corporate sites. While no reader is being stalked here, it still seems wrong and violative.