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Ask HN: How many people would want to check-in/check-out in public transit?
I have been thinking about if it's a feasible to have an app in which users check's in when they get into a bus. They give the bus stop information when they check-in and when the check-out. This can be used to predict bus timings and generate close enough real-time approximation. I'm not sure if this is already done, but if enough people check-in and check-out u can also determine the amount of people in a bus and determine which bus to maybe miss because of too much crowd.
In US public transit is probably not used as much as in other countries, so it might not be so useful in bay area as such. What do people think?