Keep an eye on the nascent radio frequency identification industry. It will have a significant effect on society in general and on the meeting industry specifically in the next few years.
RFID tags are tiny computer chips, often about the size of a pinhead. Like a bar code, they contain a database of information, but RFID tags are faster, more reliable, and can hold more data. Most importantly, when a tag comes within range of a reader (a transceiver), the information on the tag