http://www.infoworld.com/d/developer-world/hp-dreamworks-promote-virtual-meetings-halo-686 The Halo Collaboration Studio, unveiled Monday, is a system of carefully placed plasma televisions, cameras, and microphones that allows two groups of up to six people to hold a live meeting in two separate locations. Conceived by Dreamworks as a response to travel concerns after the terrorist attacks of Sept. 11, 2001, Halo allows meeting participants to make eye contact, share files and documents, and shout over each other in an attempt to be heard, just like a real meeting.