Tracking a stack of business cards

My business cards are being left at a local dog shelter, and every three or four days a stack of 8 or so of my cards is getting thrown out. How do I know? I stop by every day or every other day and count 'em… or see an empty space in the holder where mine used to be. Other's cards are still a plenty. :-(

So, first, a little social engineering. I'll have one business card in front of a glued stack of 6 dummy cards. When they see the glued cards and pull 'em apart a few times they'll get jaded to it and think it's "just a stack of glued cards."

Then after a few weeks of the glued stacks of cards, I'll drop a GPS tracker in the interior of the glued stacks — which they no longer pull apart— to track what time the stack starts moving.

Battery, tracking, data recording, the part where I lose my clarity is at this point. What hardware to use, how to power it, what problems I'm going to have… I'm really lost at this point.

QUESTION

I think doing it is going to be fun and educational, but I need to connect those last few dots.

Where do I go next?

submitted by /u/d0ugparker
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from hacking: security in practice https://ift.tt/IZxOFJm