TechCrunch GP is a multiplayer racing game that uses real-time weather data to alter the track conditions and geotargetted local business data to display ads around the track.

The game uses MaxMind's API to access the player's geolocation data and Weather Underground's API to get real-time weather data on the player's location and changes the track's weather conditions and car handling.

It also uses FourSquare's API and the race creator's location data to display ads around the track for local businesses.

The site was built using NodeJS, Bootstrap and MongoDB, while the multiplayer gaming was created using Socket.IO WebSockets.

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