_And it doesn't even have to be implanted into the hand – clubbers can have the chip injected into any part of their body, as long as they are able to flash it in front of the scanner._

(from http://www.ananova.com/news/story/sm_958267.html, found via When RFID goes bad{#_196154e5d3cf_HomePageDays_DaysList__ctl0_DayItem_DayList__ctl0_TitleUrl} by Barry Gervin)