Triggers vs. Visual State Manager

The Live Framework is a set of libraries and services for building connected applications that can reach millions of users. Live Mesh is a set of services for synchronizing user and application data between multiple devices and multiple people.
This screencast provides an introduction to these frameworks and demonstrates how they can be used to develop Always-Available social applications.
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Amazing to see what one ( big company ) can do by taking syndication (feeds) and building a whole technology stack around it! I'm sure I didn't get the whole picture yet but it's impressive to see...