Last night at eTech, I was chatting with Rohit and Chris about microformats browser integration. With our Microformats talk today coming up, Rohit said something like "our hCard and hCalendar demos work great on the Mac, but they don't get stuff into Outlook on Windows".
This morning, Ray Ozzie demoed his Live Web clipboard. This gives a way to add a scissors button to webpages to copy structured data out, and a system tray app to translate to and from the native clipboard.
This means you can take hCalendar and hCard data from the web into Outlook, into MSN's Live calendar application, and connect other apps data into and out of the browser in a nice user-obvious way. Great stuff.