Ask HN: What is a good way to track movement indoors?
I'm looking to track the movement of people in an indoor office building (with their permission) over an extended period of time. I would like to know who is meeting whom, at what times, how often etc -- the basic idea is to visualize physical interaction.
My thought was to use cellphone signatures, mac addresses etc to make this happen. Can anyone think of a good solution? Do I have to build something myself or is there something out there?
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You could do Bluetooth, but some percentage will have it turned off. Since this is a voluntary deal, you could just have them turn Bluetooth on when they want to be tracked and run periodic scans.
Trivia: I once ran something like this when I lived next door to a prostitute and was able to track her customer arrival and departure times (along with BT MACs, device names, etc).