When I read this post about Office Communicator from Don Box (that was before I joined Microsoft), I was impressed. Just few minutes ago, Paul Watson (he gave a talk at MS Research earlier) called me from another MS building. Office Communicator realised that I was in front of my laptop working, so it notified me about the phone call which I accepted by clicking on the ‘accept’ button. As soon as I accepted the call, it paused my music! How cool!