Ryutaroh Matsumoto has a page describing how to use Firewire cameras with Linux. It has some great information regarding FFMPEG, DV cameras, IIDC (or "FireWire digital cameras") and Gnomemeeting. He also has a nice utility for capturing from IIDC cameras and handing off to FFMPEG in a usable format located here.
VisiWear brings us the ST 3100 a wearable wireless, MPEG-4 video conferencing unit.
unmediated: Tracking the tools that decentralize the media.