> Is there another way? This form of crowd sourcing data is how you are able to know when your next bus or train arrives. A standard format for public transpor

> Is there another way? This form of crowd sourcing data is how you are able to know when your next bus or train arrives. A standard format for public transportation schedules exists, and many municipalities already provide that format to the public so that map-app developers can show public-transit details. So, people can find out when their next bus or train is going to arrive without giving up any of their own privacy.