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Broadcast channel API

• Communicate between browsing contexts.
• Learnings.

Gamepad API

• Connect with Nintendo Switch controllers to interact.
• Learnings.

Intersection observer API

• Observe elements made easy.
• Learnings.

Speech synthesis API

• Narrate subtitles with browser text to speech.
• Learnings.

Web Crypto API

• Cryptography straight out of browser.
• Learnings.