

The sort of thing that’d be really fucking useful, anywhere in the last twenty years - if it was built by privacy nerds. If I’m out with people at a mall or whatever, we should be able to exchange GPS coordinates once per second, using approximately zero percent of any modern server.
But it should be extremely opt-in. Like not even an option to turn on and leave on. And if any fucking brand ever sees that data, the person responsible can track my phone’s trajectory through their front window.
Must have trained on this: