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###shake allows any two people to quickly exchange contact information by simply shaking hands

shake takes advantage of Pebble's motion sensors to detect when a handshake has occurred. A Node.js backend evaluates concurrent requests to determine which two people just met - both parties then receive each other's contact information.

How this works: When your pebble detects a handshake-like motion, the server is queried with your json-encoded contact card, raw handshake data and location-based information. Your pebble in return receives a contact card if someone else in the same time window was in your geofence with a similar handshake motion.

technologies used: C, JavaScript, Node.js, Express

created in under 36 hours by Neel Mouleeswaran, Vamsi Ponnapalli & Jeremy Sullivan

HackIllinois 2014 Submission