*** To register for this event, you must sign up at http://bhseattle.eventbrite.com/. From the event page:
Create an app that solves a local problem
Win Battle Hack Seattle -> $100,000 USD World Finals
PayPal Battle Hack is a 10 City Hackathon series for devs to come test their skills and change the world. Bring your best ideas for developing apps for social good, find some team members onsite, and make something awesome.
To learn more visit the Battle Hack Seattle info page.