This is the second interview in Chapter 2 in my new book, Designing Media Craig Newmark, December 2008 Who hasn’t heard of Craigslist, the Web site that has dramatically altered the classified advertising universe with its largely free want ads and for-sale postings? At the end of 2008, the site operated in 55 countries and...

This is the first interview in Chapter 2 in my new book, Designing Media Jimmy Wales, October 2008 Jimmy Wales founded Wikipedia in 2001, harnessing voluntary contributions from anyone with sufficient interest and time to create the world’s largest encyclopedia. I was surprised that the first email that I received from him was signed Jimbo,...