Tick-tock, app developers: Apple Watch is coming

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Apple released the application development kit for its upcoming Apple Watch on Tuesday.

Called the "WatchKit," the software will allow developers to begin working on apps for the forthcoming wearable device.

"Apple Watch is our most personal device ever, and WatchKit provides the incredible iOS developer community with the tools they need to create exciting new experiences right on your wrist," Philip Schiller, Apple's senior vice president of Worldwide Marketing, said in a release on the company's website.

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The announcement also quoted executives from ESPN, American Airlines and Instagram about their plans to use the Apple Watch.

"Apple Watch allows us to make the Instagram experience even more intimate and in the moment," Kevin Systrom, co-founder and CEO of Instagram, said in the release. "With actionable notifications you can see and instantly like a photo or react with an emoji. The Instagram news and watch list allows you to see your friends' latest photos, follow new accounts and get a real-time view of your likes and comments."

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