RFID ePassports

Dependence on technology increases risk of snooping with electronic passports that depend on RFID chips. ...

... "The new ID options all feature some form of RFID tag. There is the chipped e-passport and the electronic PASS card: a credit-card sized ID that includes the owner’s photo and can be scanned through a pocket, wallet, or purse from 30 feet. " ...

Via New American: State Department Passport