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Tech 2.0

all the while thinking about how the city was connected in one large grid. Dorsey has said that if he hadn’t become so interest- ed in computers, he might have become an urban planner in- stead. He wanted to get to the heart of how vehicles moved and communicated. He used a police scanner to pick up radio signals transmitted from emergency vehicles moving through his area of town. The way the people in the vehicles communicated with one another fascinated Dorsey. “They’re always talking about where they’re going, what they’re doing, and where they currently are,” he said.

Dorsey used a police scanner like this one that later inspired Twitter.

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