LinkedIn has two specific purposes for me. 1. Get rid of the need for a rolodex of business cards. 2. Allow me to track people's work history over the long-

LinkedIn has two specific purposes for me. 1. Get rid of the need for a rolodex of business cards. 2. Allow me to track people's work history over the long-term when I meet people with whom I think I'd be interested in working some day in the future.