If you are a developer or an entrepreneur, take a look at Silverlight, download some of the sample applications, and take the time to understand how it can affect your product.
The Windows Live Dev news site details the new usage of the Windows Live API, which will let larger websites use the API beyond typical restrictions by paying for it.
I just posted the screen saver source to Flitter here. It is now entirely configurable, both for Flickr and Twitter. To install, right click on the .scr file and click Install. Click the settings button from within the screen saver user interface to conf