Here are some great UC demos – Roundtable and Laptop UC
John Weston is the subject matter expert on our team for the Microsoft unified communications products. He recently setup his camera at a meeting and captured some demos while talking to the audience. If you haven't seen these products in action, be sure to watch both of the following videos. Once you start playing the video, double click it to go full screen.
See https://www.microsoft.com/uc/default.mspx for the product area.
Laptop UC
A day in the life of UC, my laptop is my phone
Roundtable