Nearly 80% of all US companies keep a track of what their employees do by checking their e-mail, Internet activities, telephone connections and videotaping. This as compared to 1997, when it was 35% has been a huge rise. A survey by AMA has concluded that 24% of organizations have had employee e-mail subpoenaed and around 15% have gone to court to battle a lawsuit brought in by an employee e-mail. With such alarming sand rising statistics, it is interesting to know the rationale behind the investment of such technologies. Five reasons have been outlined below: