I'm sure that by now you've read Sex in Games: Rez+Vibrator on Game Girl Advance. If you haven't, do: it describes a new social context for gaming (specifically multi-player gaming), a new way for (some but not all) women to get interested in games, and an inkling of a future form of entertainment. No, really. This piece (the article) got a lot of reactions from all over the place (geographically and otherwise).
Now check out this eBay item, a patent for a "Method And Device For Interactive Virtual Control Of Sexual Aids Using Digital Computer Networks". A bargain at $15,000,000!
(Thanks to Mark Barrett, who wishes to remain anonymous, but did wittily send this to me with the subject "Potential business opportunity", thus almost making me discard it as spam.)