I'm not sure whether this technology will truly be helpful; in my experience the lack of a refill is normally due to how busy the bar is rather than the awareness of the server. Maybe in a restaurant this would be a good idea, though:
http://www.cnn.com/2005/TECH/09/30/spark.beermat/index.html
Posted by jimj at October 2, 2005 12:32 PM