Pictures users have deleted from Facebook months or even years ago may still exist, it has been revealed.Facebook says it’s working to fix flaws allowing deleted photos to hibernate on various data servers.
http://mashable.com/2012/02/06/deleted-facebook-pictures-still-exist/
http://www.stuff.co.nz/technology/digital-living/6376440/Deleted-Facebook-photos-still-lurking-on-internet
www.smh.com.au/technology/technology-news/deleted-facebook-photos-still-lurking-on-internet-20120207-1r2h9.html
www.theage.com.au/technology/technology-news/deleted-facebook-photos-still-lurking-on-internet-20120207-1r2h9.html