It's [HUMOR], but seemed incredibly appropriate!
http://mashable.com/2010/01/06/erase-online-past/
My favorite...
8. Counter-Post
Flood the Internet with attractive, non-incriminating photographs of yourself, and launch a blog detailing your charity work with
homeless puppies (
). The more positive material you post, the further the negative material will be exiled to the end of the search list.