UPC

Like many schools, Howell High and the Howell campus of Lansing Community College have a room set aside where students can buy pop, chips and candy. But this one is different. There's no checkout clerk. Every item in the store has an electronic device on it called a Radio Frequency Identification tag, or RFID.

NEW YORK (AP) Retiree Gene O'Brien hurried to the World Trade Center site after Sept. 11, 2001, as a volunteer helping to shuttle supplies to police and fire workers. Some days, his only ID to get into the disaster site was a tattoo on his forearm. It might not be so easy the next time disaster strikes