A hacker who goes by the name "mosthated" gives an account of specific hack he participated in: "We broke into a site the summer of last year, and I left my E-mail address, I helped the system administrator set up some mail servers." ... The hacker "mosthated" was caught by the FBI and eventually signed a statement admitting he had access to server in 14 countries (Koerner 49). ...
For example, reading a web page entails no radio activity; however, a large enterprise resource planning or customer relationship management application has much more interaction between the clients and servers and will cause much more radio activity than office applications such as e-mail. ...