> Facebook has concealed the profiles of anyone on the social network who used the same email and password combination as those exposed after the recent Adobe h

> Facebook has concealed the profiles of anyone on the social network who used the same email and password combination as those exposed after the recent Adobe hack http://www.zdnet.com/facebook-mines-adobe-breach-data-for-reused-passwords-warns-users-to-change-them-or-disappear-7000023090/ http://www.zdnet.com/facebook-mines-adobe-breach-data-for-re... Facebook at that point had a huge incentive to avoid those accounts from being taken over by spammers.