That surveillance is already used to determine the highest price those working people will pay - companies like Plexure inform fast food places when you've just gotten paid so they can tack an extra dollar onto your breakfast burrito in the app:
pluralistic.net/2026/04/30/s...
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Pluralistic: How not to ban surveillance pricing (30 Apr 2026) – Pluralistic: Daily links from Cory Doctorow