http://news.bbc.co.uk/2/hi/in_depth/sci_te...nts/8551938.stm
While I wouldn't exactly regard Mr. Morozov as a digital giant (How could they truly call their series such without Seth Finkelstein?!) I found this short, sharp talk interesting.
Especially his remarks regarding online democracy.
The current WP straw polls on early adaptation of flagged revs for BLPs and community Deadminship, readily come to mind.