Agile Estimation with Mike Cohn

Check this great presentation from Mike Cohn, the author of the book Agile Estimating and Planning, during a bayXP meeting at Google:

Bay XP Meeting Part 1: Agile Estimation, Mike Cohn

Bay XP Meeting Part 2: Agile Estimation, Mike Cohn

This presentations is more than one year old but I'm posting it for reference. It's a must see!