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I don't know.... recently I read something about that with the clear photography fingerprints and stuff were visible. That's why I'd thought I say something.

So I could not tell you if it is a safety issue, but maybe something to think about without becoming paranoid or scared.

On the other side it has an effect on the spontaneous nature of people like a sort of chilling effect ( I believe it's called) I personally am aware that someone or institution might be listening through my computer....Not in a paranoid way but it's bad enough that I sometimes don't say things in the vicinity of the device :)

edit(shall I remove the first comment?)

I've done AncestryDNA, so I figure I'm screwed already. If someone wants your fingerprints, they can easily get those too. haha