The spread of hackathons over the last decade, out of the open-source software movement and into corporate and nonprofit worlds, is representative of the promise of entrepreneurialism at work. Today, you can find a hackathon in almost any community, addressing a whole host of topics. But what is the difference between a single hackathon and a global mass collaboration? How can we use technology to scale impact beyond just a single city event? Join us to learn about how technology has opened possibilities to engage the masses in ways impossible to imagine centuries ago. We’ll share a number of real world examples where we have scaled interest, talent, and energy through mass collaborative engagement to better understand and solve today's challenges.