“Never let your wife wear a thong to the supermarket,” says “rockinjoe,” a concerned citizen who decries the secrecy of shopping security — back rooms, cameras that may or may not be watching you, and the ability to zoom in on cleavage and hit PRINT.

The credibility of a blogger with a Hannibal Lecter avatar notwithstanding, the next time I’m in Safeway I’ll be haunted by the thought of graying dudes undressing me with their eyes. Which, since I shop in the Castro district, is nothing new.