I do this all the time. And I bother people on FB when I see them posting urban legends, too. Okay, so it makes me a little bit of a DB (maybe more than a little bit) but if it cuts down on even a little bit of the spam, then I’ll take one for the team.
For those interested, here’s the Snopes.com information RE: the urban legend in the article: http://ping.fm/QmYLn
Full Story: http://ping.fm/xTSew