bill - 12:53 am on Dec 8, 2010 (gmt 0)
Also check out the in-depth announcement from the IE team itself:
IE9 and Privacy: Introducing Tracking Protection [blogs.msdn.com]
Today, consumers have very little awareness or control over who can track their online activity. Much has been written about this topic. With the release candidate:
We believe that the combination of consumer opt-in, an open platform for publishing of Tracking Protection Lists (TPLs), and the underlying technology mechanism for Tracking Protection offer new options and a good balance between empowering consumers and online industry needs.