Any video surveillance system is foiled by a simple mask. Thieves who know to plan a break-in when you're away usually do their homework and come prepared.
Do not under-estimate the number of thieves on the left-hand side of the bell curve: if you can deal with those that's half the population that's less of a problem.
(The thieves on the right-hand side of the bell curve generally work on Wall Street and generally don't do break-and-enters.)
I've got this setup running on a Raspberry Pi near my front door and it collects all sorts of useful data, even from people walking by on the sidewalk, 30 feet and two walls away.
At some point, I'd love to explore vehicle emissions more, too.
It never occurs to router makers a static base could see a million Wi-Fi networks come and go every week.
I have MAC addresses!
M-A-C...
Yes, I sniff them out the air with equipment I built!
Uh no I'm not on drugs why do you ask?
That is why they need WiFi info for ‘fine location’.