As use of facial recognition expands, travelers worry about privacy

"The problem, though, goes far beyond what a few airlines and cruise lines are testing. “It is common to have your fingerprints scanned and your picture taken at ports of entry around the world,” says Scott Shackelford, a professor of business law and ethics at Indiana University and chair of the school’s Cybersecurity Program. “It is legitimate to question who has access to these data.”"