Microsoft's Windows Live™ Expo is now live. It was officially launched today. Everything is ajaxified.
They made a few improvements before the launched.
New Look - A brand new look & feel for the site, including the official Windows Live look and integration, plus improved accessibility, scaling, and ease of use
Integrated Feedback - This feature allows users to share feedback or comments on a particular listing with the rest of the community
Enhanced Mapping - Satellite imagery, driving directions, more
Improved Security - Enhanced protection against spam and fraud
The big question is, how is it going to affect craigslist?