Shaddows - 2:14 pm on May 8, 2012 (gmt 0)
Valuable lessons indeed. Apart from the instinctive "yuk" reactions, one key issue is bandwidth. The site just cannot cope with a surge in "popularity".
While it is linked from elsewhere, the BBC merely cites the site in question- though many will copy-paste.
A very interesting case-study to look at going forward.