"There are some breakthrough technologies that are already shaping the world today in such a fantasist way. What technologies are these? The following list, based on a report published by MIT technology review, identifies some, the ones we believe will pave the way for significant change."
"Unhangout is an open source platform for running large-scale, participant-driven events online. Each event has a landing page, which we call the lobby. When participants arrive, they can see who else is there, what topics other participants want to discuss, join an "unhangout," and chat with each other."