Day 1 of Google I/O (pictures)

Senior Vice President Vic Gundotra kicks of the Google I/O keynote at the Moscone Center in San Francisco, Calif.

Hugo Barra, product manager for Android, announces the latest Android operating system, Android 4.1 Jelly Bean.

Dave Burke, engineering director, unveils Project Butter, designed to smooth out the user experience for Android 4.1 and improve CPU utilization.

Though you can't see it here, Google played a video showing how much smoother and faster Android 4.1 Jelly Bean runs compared with Android 4.0 Ice Cream Sandwich.

In Android 4.1 Jelly Bean, app icons on the home screen will automatically move out of the way for a widget, and widgets can automatically readjust to fit onto a home-screen page.

Google's speech-recognition feature now works offline. Here, an e-mail is dictated as the device is on offline mode.

Users can now swipe through recently taken photos in reviews.

New features include the capability to immediately call someone from the call notification.

Notifications expand to include relevant pictures or information in a visually appealing manner.

Google Search incorporates Knowledge Graph, and shows results in compact results cards.

Google Search recognizes voice commands. Here, the definition of "robot" is asked.

Google 4.1 Jelly Bean estimates times that you should leave for a scheduled appointment, and incorporates traffic and extra walking.

Android 4.1 Jelly Bean will be available through over-the-air updates starting mid-July.

Engineer Director Chris Yerga, announced smart app updates, in which users only download parts of the APK that changed instead of the entire app again.

Barra unveils the Nexus 7 tablet, which runs on the latest Android 4.1 Jelly Bean and has a Tegra 3 CPU. It will be available mid-July for $199. For more pictures of the Nexus 7, click here.

The Nexus Q is a small, Andorid computer for your home that plugs into speakers and TVs.

In addition to streaming video, the Nexus Q can stream music and is cloud-connected so you can use your phone or tablet to control it.

Music visualizations on the TV from the Nexus Q.

Though you can pre-order the Nexus Q now, it won't be available until July and will go for $299.

Gundotra shows the new features of Google+, including a stylized stream. It will have its own native tablet version too (iPads included).

Google+ Events lets users post cinemagraphic invitations to their friends and accept events after checking their schedules on Google Calendar.

Similar to the Samsung Galaxy S III's Share Shot, Google+ Events uploads pictures instantaneously from several people and saves them all in one spot.

Sergey Brin, Google's co-founder, interrupts the keynote to demo Google Glass. Sky divers ready themselves to land on the roof of the Moscone Center to deliver a pair of Google Glasses.

The entire jump is streamed live through Google Glass and Google+ Hangout.

BMXers bike in to deliver a pair of Google Glasses. They also wore a pair of Google Glasses and were previously on the roof doing tricks on the Hangout.

Google Glass sits above the eye so it's close to a user's senses, but doesn't block them.

Right now, Google is experimenting with different form factors for its Glass.

Google plays a video in which a mother wearing Google Glass can effortlessly capture, record, and stream live, moments with her baby.

Google Glass is available for pre-order for U.S.-based I/O attendees for $1,500 and will ship early next year.

Google hosts its first Google+ Event tonight with attendees who are urged to download the updated Google+ app.