This is the TechCrunch Disrupt Hackathon in San Francisco, where teams can compete for prizes such as an 11″ MacBook Air and free passes to the Twilio Conference, while being supported by the Twilio team. The event provides resources for getting started with Twilio, including REST APIs, TwiML, and a client SDK, as well as other tools like quickstarts and helper libraries. The hackathon aims to promote innovation in communication and digital engagement experiences, and teams can share their projects and receive support by filling out a form on the event website.