Google I/O (or simply I/O) is an annual developer conference held by Google in Mountain View, California.

I/O was inaugurated in 2008, and is organized by the executive team. “I/O” stands for input/output, as well as the slogan “Innovation in the Open”.[1] The event’s format is similar to Google Developer Day.


Year Date Venue
2008 May 28–29 Moscone Center
2009 May 27–28
2010 May 19–20
2011 May 10–11
2012 June 27–29
2013 May 15–17[2]
2014 June 25–26
2015 May 28–29[3][4]
2016 May 17–19 Shoreline Amphitheatre
2017 May 17–19
2018 May 8–10
2019 May 7–9[5]

Announcements and highlights


Google I/O Google I/O 220px 2008 Google Input and Output in USA   the Keynote

Google I/O 2008

Major topics included:

Speakers included Marissa Mayer, David Glazer, Alex Martelli, Steve Souders, Dion Almaer, Mark Lucovsky, Guido van Rossum, Jeff Dean, Chris DiBona, Josh Bloch, Raffaello D’Andrea, Geoff Stearns[6]


Major topics included:

Speakers included Aaron Boodman, Adam Feldman, Adam Schuck, Alex Moffat, Alon Levi, Andrew Bowers, Andrew Hatton, Anil Sabharwal, Arne Roonman-Kurrik, Ben Collins-Sussman, Jacob Lee, Jeff Fisher, Jeff Ragusa, Jeff Sharkey, Jeffrey Sambells, Jerome Mouton and Jesse Kocher[7]

Attendees were given a HTC Magic.


Major topics included:

Speakers included Aaron Koblin, Aaron Koblin, Adam Graff, Adam Nash, Adam Powell, Adam Schuck, Alan Green, Albert Cheng, Albert Wenger, Alex Russell, Alfred Fuller, Amit Agarwal, Amit Kulkarni, Amit Manjhi, Amit Weinstein, Andres Sandholm, Angus Logan, Arne Roonmann-Kurrik, Bart Locanthi, Ben Appleton, Ben Chang, Ben Collins-Sussman.[8]

Attendees were given a HTC Evo 4G at the event. Prior to the event US attendees received a Motorola Droid while non-US attendees received a Nexus One.


Major topics included:[9]

Attendees were given a Samsung Galaxy Tab 10.1,[11]Series 5 Chromebook[12] and Verizon MiFi.

The afterparty was hosted by Jane’s Addiction.


The I/O conference was extended from the usual two-day schedule to three days.[13] There was no keynote on the final day. Attendees were given a Galaxy Nexus, Nexus 7, Nexus Q and Chromebox. The afterparty was hosted by Paul Oakenfold and Train.

Major topics included:[14][15]

  • Chrome
    • 310 million users announcement
    • Chrome for Android is stable
    • iOS app
  • Maps
    • Offline for Android
    • Enhanced maps in API
    • Transit data in API
  • YouTube
    • Updated 720p HD API
    • Heat maps and symbols in API
    • Updated Android app


Google I/O 2013 was held at the Moscone Center, San Francisco. The amount of time for all the $900 (or $300 for school students and faculty) tickets to sell out was 49 minutes, even when registrants had both Google+ and Wallet accounts by requirement.[16] A fleet of remote-controlled blimps streamed a bird’s-eye view of the event. Attendees were given a Chromebook Pixel. The afterparty was hosted by Billy Idol.[2]

Major topics included:

  • Google+
    • Redesign with photo and sharing emphasis
  • Maps
    • Redesign on web and Android


Major topics included:

Attendees were given a LG G Watch or Samsung Gear Live, Google Cardboard, and a Moto 360 was shipped to attendees after the event.


Google I/O Google I/O 220px Sundar Pichai at Google IO 2015

Sundar Pichai at Google I/O 2015

Major topics included:

  • Android Wear
    • “Always on” extension to apps
    • Wrist gestures
  • Custom tabs Gmail
    • Inbox availability for everyone
  • Nanodegree, an Android course on Udacity
  • Now
    • Reduction in voice error
    • Context improvements
  • Play
    • “About” tabs for developer pages
    • A/B listings
    • Store listing experiments
    • “Family Star” badge

Attendees were given an Nexus 9 tablet and an improved version of Google Cardboard[17]


Sundar Pichai moved Google I/O to Shoreline Amphitheatre in Mountain View, CA for the first time. Attendees were given sunglasses and sunscreen due to the amphitheater’s outside conditions, however many attendees were sunburned so the talks were relatively short.[18][19] There was no hardware giveaway.

Major topics included:[20]

  • Allo
  • Android
    • Daydream, Android support for VR was shown with Daydream.[21]
    • Instant Apps, a code path that downloads a part of an app instead of accessing a web app, which allows links to load apps on-demand without installation. This was shown with the B&H app.[22]
    • Nougat
    • Wear 2.0
    • The inaugural Google Play Awards were presented to the year’s best apps and games in ten categories.[23]
  • Assistant
  • Duo
  • Firebase, a mobile application platform, now adds storage, reporting and analytics.[24]
  • Home
  • Play integration with Chrome OS


Google I/O Google I/O 220px Sundar Pichai at Google IO 2017 Keynote

Sundar Pichai at the Google I/O 2017 Keynote

Google I/O Google I/O 220px Google IO 2017 Android Fireside Chat

Google I/O 2017 Android Fireside Chat

Major topics included:

  • Flutter, a cross-platform mobile development framework that enables fast development of apps across iOS and Android.[26]

Attendees were given a Google Home and $700 in Google Cloud Platform Credits. The afterparty was hosted by LCD Soundsystem.


Major topics included:

  • Android Pie
  • Material Design 2.0
  • Changes in Gmail
  • Android Wear 3.0
  • An Impressive Google Assistant
  • AR/VR efforts
  • Updated Google Home

Attendees were given an Android Things kit and a Google Home Mini.[30] The afterparty was hosted by Justice with Phantogram opening.


Major announcements:[31]

  • Android Q Beta 3
  • Pixel 3a and 3a XL
  • Flutter on web
  • Google Lens
  • Google Firebase
  • AR walking directions in Google Maps
  • Offline, streamlined Google Assistant
  • Android driving mode
  • Kotlin-First Development
  • Google Home devices renamed to Nest
  • Android Q live captioning
  • Project Mainline (streamlined OS update process on Android Q)
  • Duplex web API

The afterparty was hosted by The Flaming Lips. There was no hardware giveaway.

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