Using Facebook, shockingly, makes the list
(USER SUBMITTED) - 24/7 Wall St. looked at a number of workplace studies on how people spend time online, and found that most say employees with PCs spend 20-plus hours a week on the Web while at work—and about a quarter of that is for personal use. 24/7 Wall St. broke those 5 squandered hours down into the top 10 "time wasters": 1. Social Networks: 1 hr, 14 min/week; apparently, 77% of employees who have access to Facebook from work check it at least once a day. More»