> In the phone example, you have to hold it up a certain way, which will immediately alert the target (as well as anyone in the vicinity) That's not really tru

> In the phone example, you have to hold it up a certain way, which will immediately alert the target (as well as anyone in the vicinity) That's not really true. It's very easy to take a picture while holding the phone in a way that makes it look as if you're just reading it.