From e-mail:
I just realized:
Under CISPA the ISP could turn-on your webcam in your bedroom (or wherever your PC is located), share the data with the U.S. DHS, and be immune from prosecution by yourself

I have put a dab of paint over mine.
For those who have not read the book, an item of note was the camera in the wall of the room taking note of everything happening in the apartment and transmitting it to the government. To us, it was a well written troubling novel. To them, it is an instruction manual.