With the rise of AJAX (the biggest buzzword since PodCasting), Microsoft is planning on releasing their own class library which will make doing asynchronous callbacks even easier.  The new Atlas client script framework includes new server controls, support to call web services directly, and provides direct access to the Profile, Authentications, and Roles objects provided by ASP.NET 2.0.  We will see a lot more of this starting at the PDC in September including a preview release which we will most likely use for something.
More information can be found at our man, Scott Guthrie's blog.

Read the complete post at http://www.dotnettipoftheday.com/blog.aspx?id=104