Apparently it's the custom at Microsoft (at least at the company's HQ in Redmond, Wash.) to invite new interns over to the Boss's house for dinner. The White Housian level of security is somewhat disconcerting, but a good time was had by all.
In ten minutes there was a donut or toroid of geekdom surrounding Bill that was three or four people deep, but after a few minutes I had worked my way to the front and got to spend about two hours standing with him, talking to him, and mostly listening to his responses to other people's questions.
Via kottke.org