Creating a Who's Online usercontrol with .NET 2.0's membership provider
David Yancey over at his Geebs blog has created a slick little bit of code to allow users to put a "Who's online" type of control on their sites by querying the membership provider. It appears it also allows for anonymous users as well. Check it out
http://geebs.proessent.com/post/Create-a-Who's-Online-using-NET's-Membership-Provider!.aspx