Two separate public incidents with similar overtones.
Today Steve Ballmer got pelted by a egg-throwing Hungarian nerd:
A few weeks earlier, on Earth Day no less, Tom Friedman gets a pie in the face:
Is this "The Wisdom of the Crowd"?
What I found interesting was the reactions of the "victims." Ballmer cracked a joke and went on. Friedman took it a bit harder - walking off the stage in a huff.
Apparently, this is nothing new for Microsoft execs. Here's a bonus clip from 2006:
Still, I don't think this is funny. Especially in this day and age. What ever happened to old fashioned heckling?