Sights from the 2013 Google I/O keynote

Android penetration worldwide

Hugo Barra talks Google Play

Cross-platform single sign-on for those who own multiple Android devices, like a phone and tablet.

Synced notifications

Android Studio is based on the Studio version of the IntelliJ Java IDE from JetBrains.

Ellie Powers

Staged rollouts for developers

Finding apps for tablets will now be easier in the Play Store.

A browser based slot-car racing game demo played on five different devices.

Chromebook Pixels were given away to the audience.

Google Play for Education.

"Each app has been recommended by a group of educators," Yerga says. "Teachers trust other teachers."

More than half of all sharing on Google+ is done to private circles.

Google can now filter your photos and automatically get rid of blurry, poorly exposed shots, as well as duplicates.

"Auto enhance is an easy button to make your memories look beautiful."

Before "auto-awesome"

After "auto-awesome"

Amit Singhal

With Google search, now you can ask Google about your own flight information, restaurant reservations, package that's about to arrive, and your vacation photos.

Larry Page

Larry Page takes questions from the audience.