Most people don't know they are throwing a signal into the public. They are just setting up a tool to check email, Facebook, and talk on Skype. It's not immedia

Most people don't know they are throwing a signal into the public. They are just setting up a tool to check email, Facebook, and talk on Skype. It's not immediately obvious to them what exactly is happening. And please don't blame the consumers for their lack of knowledge in this. You don't need to know how a car works to drive, nor how a DVD player works to watch movies, nor is it essential to know how a computer works to use it.