"The capabilities you need are both object recognition and object tracking. If you were doing just one of the two I would suggest rolling your own. Since you have two or more high-level video processing requirements I also recommend utilizing…"
"Been playing w/Amarino for a few days - supposedly it works w/SparkFun's BlueSmirf - haven't got my HTC Hero communicating yet (incomplete BlueTooth stack impl?) but the the following event types look VERY promising:
"I was able to get an order thru a few mins ago after about 6 failed attempts. I'm guessing they are turning away over 10 times as many people as they are serving and that Free Day has already been a success financially for SF and it is still T-2hrs…"