Google I/O is an annual developer conference held in San Fransisco focused on building web, mobile and enterprise applications with Google and open web technologies.
The "I" and "O" stand for input/output, and "Innovation in the Open". This conference is all about how individual developers anywhere in the world can be benefited with the Open source technology and also provide their inputs to make a better Software.
Some of the applications / software which led out of these conventions are
