If you want to drive a busy person crazy, just post an out-of-the office email reply that you are on vacation for a week and then don’t delete it for many days after you return to work. It happens all the time. Many workers hide behind out-of-the-office replies because they want to take advantage of this common business practice. TV personality Steve Greenberg and PR expert Lois Whitman-Hess discuss the culprits and why they shouldn’t be working in the digital age.