Ask HN: Would it be possible for the NSA to watch through our phone cameras?

Yes, they could call you on Skype.

Close to your question:

http://arstechnica.com/tech-policy/2013/04/fbi-denied-permis...

Maybe you should worry about these first:

http://arstechnica.com/tech-policy/2010/02/school-under-fire...

http://arstechnica.com/tech-policy/2013/03/rat-breeders-meet...

After all, ordinary hackers don't need search warrants.

One reason to keep an eye on your idle/use times. They can probably make the "bandwidth" consumed "disappear", but as far as I know they don't yet have a way to replace the energy consumed.

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P.S. Of course, depending upon your system, they might make it falsely report a crappy connection as an explanation for a drop in these values.

Down a rabbit hole... ;-)