"The U.S. Department of Homeland Security is currently devising regulations for these federalized ID cards. One possibility is that the "electronically readable" requirement will be satisfied by
embedding a radio frequency identification (RFID) chip. (They'll already be appearing in U.S. passports starting in October.) "
"There are no rules governing what data that private companies (hotels, retailers, employers) will be able to extract from the Real ID when it's swiped or placed next to an RFID reader"
