With thanks and acknowledgements to Jason Bell for this:
"In short, all of the content you've ever uploaded on Facebook can be used, modified or even sublicensed by Facebook in every possible way - even if you quit the service.
The TOS says the following:
"You hereby grant Facebook an irrevocable, perpetual, non-exclusive, transferable, fully paid, worldwide license (with the right to sublicense) to (a) use, copy, publish, stream, store, retain, publicly perform or display, transmit, scan, reformat, modify, edit, frame, translate, excerpt, adapt, create derivative works and distribute (through multiple tiers), any User Content you (i) Post on or in connection with the Facebook Service or the promotion thereof subject only to your privacy settings or (ii) enable a user to Post, including by offering a Share Link on your website and (B) to use your name, likeness and image for any purpose, including commercial or advertising, each of (a) and (B) on or in connection with the Facebook Service or the promotion thereof."
It also used to contain another bit that is now missing.
"You may remove your User Content from the Site at any time. If you choose to remove your User Content, the license granted above will automatically expire, however you acknowledge that the Company may retain archived copies of your User Content."
http://consumerist.com/5150175/facebooks-n...content-forever
If that's the case I'm shutting mine down, just hope Flickr don't think they can do the same."