How Ross Mayfield has grown Socialtext as a virtual company and the pros and cons of that system. I see interesting similarities between the way the WordPress team works, and I imagine the same would be true for other open source projects as well. I sat next to an awesome MySQL guy on a plane a few weeks ago and he told me that a significant percentage (I believe it was 80%, more accurate figure welcome) of the MySQL company worked from home. Their conference is the only time of the year most of them see each other face-to-face.