The next big step in video-conferencing - holographic projections of participants, which makes the big flat-screen version look kinda lame. Still in the lab, but how long will it be before this makes into the mainstream? And does this mean you'll have to dress up when videoconferencing form your home office?

Move over Tupac! Real Life-size Holograms set to Revolutionize Videoconferencing — Human Media Lab