Crowdsourcing

Amazon's Seattle campus

Tracking Just How Much Cities Offered Amazon for HQ2

Denver and Philly Ask Residents: How Do Our Streets Work for You?

Second Avenue Subway

Mapping the Colors of North America’s Transit Lines

Crowdsourced Project Remembers Seattle Spaces Lost to Gentrification

Queens Asks Citizens How to Spend Parks Money

You Can Help Map the Accessibility of the World

In Pursuit of a Safe Walk to School, Oslo Gamifies Street Design

Hyperloop’s Tech Is Coming to Public Trains

Swiss Capital Crowdsources Rail Car Design

In Pursuit of Big Data, Mexico City Mapathon Gamifies Crowdsourcing

New Map Shows Which Cities Are Changing Rules About Parking

UCLA Professor Wants to Make Sure the Smartphone Doesn’t Kill the City

Tired of Being Profiled, a Programmer Turns to Crowdsourcing Cop Reviews

A “Yelp” for Former Prisoners Aims to Reinvent Reentry

Op-Ed: Quantifying Our Cities, Ourselves

Airbnb Ruled Illegal In New York

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