[diggan]

Reading the article, yes, you're leaving more information than you think (but maybe not more than you're willing to share).

Video monitoring is mentioned in the article together with timestamping. A store had a "customer satisfaction" problem in the morning, so together with video footage, they could determine there was slow-starting employee who was at fault.

> One client discovered that customer satisfaction in a particular store plummeted at ten o’clock every morning. Video from a closed-circuit security camera revealed that the drop was caused by an employee who began work at that hour and took a long time to get going. She was retrained, and the frowns went away.