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Welcome to #WWDC17, being held in San Jose for the first time in recent history

Some technical difficulties with WiFi!

First announcement to take seats, it's about to start

Imagine Dragons, Whatever It Takes

The video is starting

Tim Cook says, "I'm so glad that really can't happen!"

"the one thing that hasn't changed is our commitment to the development community and our ability to do amazing things together."

Also attending is Masako Wakamiya, 82 years old, from Japan, and she published her first app earlier this year. "So if you haven't published yet, there's still time."

tvOS: We recently introduced the TV app to create the easiest way to discover and enjoy content in one convenient place. Now we have 50 partners integrated into the TV app. Today, we're announcing Amazon is coming to the TV app and all Apple TV later this year with Prime Video.

Apple watch is the #1 selling smartwatch by far. It's number one in customer satisfaction by far. It's designed to help you live a healthier life, and people love the health capabilities, the access to information, and the ability to swim with it.

New watch faces!

Siri watch face automatically displays information using machine learning, the apps you use when you use them and routines.

It dynamically updates whenever you raise your wrist.