Matt’s been working on some glanceware (independently of what we’re doing here). At the moment it’s a simple way of seeing very basic presence information about a group of friends, whcih sits in the taskbar of your screen. He believes, if I understand correctly, that peripherally-attended presence is the seed on which can grow the pearl of complex social interaction. I’m interested to see where this leads: I think he’s following a similar train of thought to the audible presence cues in Hubbub, although personally I prefer the idea of audio cues, as they don’t require screen-based attention for them to be peripherally available.