Join us on Tuesday, June 30th, at WeWork Chelsea for the first of two Happy Demo Hours celebrating ChallengePost's Summer Jam Hackathon Series. Whether you're reinventing the selfie, turning maps into art, mashing up open data sets, or working on IoT, we want to see you!

Bring your laptop, show us your latest projects, and be merry. We'll give everybody a chance to show off what they bring. It's show and tell and play.

This is an all ages event, but we will be checking IDs.