哪吒机器人提醒：
提醒：ProgrammableWeb
【标题】Transit Hackers Take Philly for a Ride
【摘要】on a cool morning a group of hackers slowly filter into a downtown philadelphia storefront. the whiteboard wall quickly fills up, as a few work on finding an accurate way to track the progress of a single chosen bus line. with phone in hand, others build systems providing schedules and stops via sms and voice. a few keystrokes and another starts tracking the positions of trains, while across the the room, transportation information flickers across a screen, controlled simply by a pair of hands m... (11-18 10:18)
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