Starting with an email list to a dozen of his friends, craigslist.org is now the 28th ranked site in the US and the 120th globally. How and when did it rise, and what are some of the social impacts we've seen the site that has kicked entrepreneurs into launching thousands of other sites. And what makes craigslist unique across all the other sites on the web? Tune in, turn on, and drop out with us in this episode of the History of Computing Podcast.