This weekend we hosted 175 hackers for Music Hack Day San Francisco in our office for the third consecutive year. Music Hack Day is a unique event—it doesn’t use huge prizes or big name judges to draw a crowd. It’s one of the rare Bay Area hackathons where (seemingly) most attendees actually aren’t local—giving it a fresh vibe, with new faces and ideas every year.
Last week I wrote a post that called for more hackathons to be purpose driven—Music Hack Day is not one of those of events. Instead, Music Hack Day is an event driven by a desire to learn and a shared passion for music. These types of events are, without question, very good for the hacker ecosystem, and Music Hack Day is a shining example of how they should be run.





As a developer, there are many things you can do with an image: filters, face detection, object recognition, and more. Last week,