That's not quite true, what they can measure with the "tap on tap off devices" i... | Hacker News

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		invig 39 days ago \| parent \| context \| favorite \| on: Iowa City made its buses free. Traffic cleared, an... That's not quite true, what they can measure with the "tap on tap off devices" is people's movement patterns (point to point). That is valuable data that you can't really get just by counting people on and off or taking cash.

AnthonyMouse 38 days ago [–]

That's individualized tracking. You're describing the reason not to do that, and most of the digital payments systems have the same defect.

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