I/O Developer Conference, 6,000 attendees

Google I/O brings together thousands of developers for two days of immersive evening events, technical sessions, one-on-one seminars, and an emerging technology showcase “Sandbox” all with the purpose of communicating deep technical content, focused on building the next generation of web, mobile, and enterprise applications with Google and open web technologies such as Android, Google Chrome, Google APIs, Google Web Toolkit, App Engine, and more.