By Rob Lenihan Biometrics may sound like the stuff of science fiction to some, but concerns about violations of privacy are quite real. It’s been called the “buddy punch” problem. Employees will sometimes ask their co-workers to punch in for them at a job site. In response, some companies have turned to biometrics–unique physical, human characteristics–to digitally identify who’s who and what they’ve been doing. ‘Collected, Captured, Stored and Used’ McDonald’s (MCD) – Get McDonald’s Corporation Report employed this method, using a finger or handprint scanner as a primary method to clock-in …