"There is an interesting thread in the Gurteen Knowledge Forum on the subject of how to run a Virtual Knowledge Cafe that has been running for while.
And then recently, I was talking to Kitty Wooley on Skype about this and we decided it would be interesting for her to join one of my London Knowledge Cafes virtually as an experiment. So this would be one virtual person in a sea of real people. My first thought was to have the "virtual Kitty" sit at a table as a laptop or better still as an IPad and to connect via Skype. It seemed to me that this could even work more generally if there was just one virtual person per table.
But as I reflected on it - I realised that there might be some better technology available than a laptop or an iPad. My first thought was a remote controlled WiFi webcam such as this one BESTEX remote controlled webcam
But it was obviously not ideal and so I Googled around a little and found Beam+ "