Whoa, when did friendly ol' tech publisher Tim O'Reilly, of the grandfatherly beard:

Become gangsta O'Reilly, of the fuck-you-up mustache?

Does the dude have to look edgy for ETech? What's up?

Tim O'Reilly [Dan Farber on Flickr]
Tim O'Reilly, March 7 [Richard Giles on Flickr]