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Dave Troy:
Social maps that reveal a city's intersections — and separations

TEDGlobal 2014 · 5:28 · Filmed Oct 2014
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Every city has its neighborhoods, cliques and clubs, the hidden lines that join and divide people in the same town. What can we learn about cities by looking at what people share online? Starting with his own home town of Baltimore, Dave Troy has been visualizing what the tweets of city dwellers reveal about who lives there, who they talk to — and who they don’t.

Technologist
The co-host of TEDxMidAtlantic, Dave Troy is a serial entrepreneur and a data-viz fan. Full bio
This talk was presented at an official TED conference, and was featured by our editors on the home page.

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