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By Jack Linshi
![Google Hosts Its I/O Developers Conference Google Android Wear smart watches are displayed during the 2015 Google I/O conference on May 28, 2015 in San Francisco.](https://api.time.com/wp-content/uploads/2015/06/android-wear.jpg?quality=75&w=2400)
![](https://api.time.com/wp-content/uploads/2015/06/apple-wwdc-nightstand1.png?w=2400&quality=75)
![Google Androids Next Tricks Google Androids Next Tricks](https://api.time.com/wp-content/uploads/2015/06/google-pay.jpg?quality=75&w=2400)
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![Inside The Google I/O Developers Conference Inside The Google I/O Developers Conference](https://api.time.com/wp-content/uploads/2015/06/android-car.jpg?quality=75&w=2400)
![](https://api.time.com/wp-content/uploads/2015/06/apple-wwdc-car1.png?w=2400&quality=75)
![Google Hosts Its I/O Developers Conference Google Android Wear director David Singleton announces Androidwear updates during the 2015 Google I/O conference on May 28, 2015 in San Francisco.](https://api.time.com/wp-content/uploads/2015/06/android-wear-apps.jpg?quality=75&w=2400)
![Apple Watch Apps](https://api.time.com/wp-content/uploads/2015/06/apple-wwdc-9apps21.png?w=2400&quality=75)
![Google Hosts Its I/O Developers Conference Google Photos director Anil Sabharwal announces Google Photos during the 2015 Google I/O conference on May 28, 2015 in San Francisco.](https://api.time.com/wp-content/uploads/2015/06/google-photos.jpg?quality=75&w=2400)
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