He talks about LINQ, the new data-handling capabilities of C#, coming with Visual Studio 2008.
Video:
http://blogs.msdn.com/charlie/archive/2007/01/26/anders-hejlsberg-on-linq-and-functional-programming.aspx
Link to the project:
http://msdn2.microsoft.com/de-de/netframework/aa904594.aspx
Nice stuff for people who manage their own tick-database. Seems that there's really no way around C#...

