"On the other hand, the ability to measure breathing from a wireless network has privacy implications, " they add.

ENGADGET: Researchers use wireless network to monitor breathing, could save lives

That state court ruling has privacy implications that reach far beyond text messages.

CNN: STORY HIGHLIGHTS

But audience-based buying is kind of creepy, privacy-wise, and it has alarming demographics-as-class implications.

NEWYORKER: Streaming Dreams