We have been following the evolution of pico projectors from their inception. At this stage, as pico technology is embedded in products from kids toys to mobile phones, this video is more about what's to come next. Researchers from the University of Duisberg-Essen have obviously listened to the conviction of so many smart phone owners who make statements such as "my entire life is in this phone." This is a bulky prototype of a telephone system that uses projector phones to provide the means for an interactive interface that would allow instantaneous sharing and collaboration far beyond that which can be achieved via voice communication.