What is Google I/O:
Google I/O features highly technical, in-depth sessions focused on building web, mobile, and enterprise applications with Google and open web technologies such as Android, Chrome, Chrome OS, Google APIs, Google Web Toolkit, App Engine, and more. Google I/O was started in 2008. – Mashable
Below is the live stream of Google I/O 2015! There will be a lot of exciting announcements coming from Google!