For years computer security experts have been preaching that users should never share the same password across their connected lives — at online banking sites, at Amazon, on their Web mail services, even on their cell phones. Apparently, most people ignore that advice.
It really can't be repeated enough... :-(
http://redtape.msnbc.com/2010/02/for-years-computer-security-experts-have-been-preaching-that-users-should-never-share-the-same-password-across-their-connecte.html
-Urs