Analysis of the proposed legislation on RFID in California says:
"A Barcelona nightclub allegedly uses them to admit customers to a V.I.P. room where drinks are automatically put on their bill."
I checked with a friend in Barcelona, and it goes even further than that. He tells me that an RFID tag is placed under your skin, the barman adds your drinks to your tab, and you pay automatically. To see pictures of a bar-goer getting implanted, go to the Baja Beach Club, click on VIP, then click on Verichip:Entrevista/Interview and scroll down.