I applied through an employee referral. The process took 4 weeks. I interviewed at Microsoft (Seattle, WA) in Dec 2011
Interview
Did one interview at my university. Went to Seattle and had 4 on-site interviews.
Interview questions [2]
Question 1
Consider a game of nxn tic tac toe. Given a move and the player who made the move, return whether it was a winning move or not. There is an O(1) answer.