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2005 (pre-twitter) article on how Little Brother (us observing each other) will be prevalent in a few years' time.
Focuses on camphones and also mentions the Microsoft Lifebits project. -
"Normally, a deleted file is only removed from the directory entry of the file system and still can be easily recovered back from a file recovery software. If you want to completely wipe out any trace of a file, a file shredder or permanent file deleter can do the trick. It completely overwrites junk characters on the space occupied by the original file and makes it unrecoverable."
For Windows:
- http://www.fileshredder.org/
- http://www.sys-shield.com/fileshredder.htm
- http://www.heidi.ie/node/6
- http://www.e-eeasy.com/fileshredder-shreddingsoftware.aspx -
Social network sites that use content delivery networks (such as Facebook, that uses Akamai) fail in actually making pictures unavailable that users (think they have) deleted.
Research done by the same guys that published research on analysis of partial social graph information:http://mobblog.cs.ucl.ac.uk/2009/05/20/8-friends-are-enough/