Interview: Veteran Product Lead Josh Elman on LinkedIn, Facebook, Twitter -- and Joining Greylock

Josh Elman has been in the trenches of product development since mid-1990s, with his resume reading like a who’s who of major web companies today. He started at Homestead and RealNetworks in the 1990s, and went on to hold key product roles at LinkedIn, Zazzle, Facebook and most recently Twitter.