Sure, if you were watching. But most people don't watch their network 24/7. Even if you watched it for one week, the next week they could turn it on 24/7, then

Sure, if you were watching. But most people don't watch their network 24/7. Even if you watched it for one week, the next week they could turn it on 24/7, then turn it back of a couple of days later. It's only trivial to detect if everyone is watching all the time.