and then read this groundbreaking ABC report about the FBI’s DCSNet nationwide evesdropping systems. In case your eyes are glazing over, and you don’t think it applies to you, note that:
The surveillance system, called DCSNet, for Digital Collection System Network, connects FBI wiretapping rooms to switches controlled by traditional land-line operators, internet-telephony providers and cellular companies. It is far more intricately woven into the nation’s telecom infrastructure than observers suspected.
It’s a “comprehensive wiretap system that intercepts wire-line phones, cellular phones, SMS and push-to-talk systems,” says Steven Bellovin, a Columbia University computer science professor and longtime surveillance expert.