Here lives sample hackathons you can do with Google App Engine, the Google Geo APIs, and Google Chrome. If you'd like to regularly hold Google technology meetups, check out our Google Technology User Group program. 

• Read our handy guide to organizing a hackathon
• Read our tips on marketing a hackathon
• Check out our suggested agenda for an App Engine Hackathon or a Geo APIs Hackathon
• Check out our technical material for a Google Chrome Extensions hackathon or an HTML5 hackathon