Google's Chrome development team regularly implements new APIs to extend the possibilities for web apps to behave more like their native counterparts. The most recent addition to the Chrome dev channel allows web developers to use Bluetooth to communicate with nearby hardware. This could be used for things like an online fitness tracker that gets data from a heart rate monitor or for a controller to drive a Sphero, all without installing a native app.

These things are possible with the new Web Bluetooth API. Still in the early stages of development, this allows a web application to query for Bluetooth devices based on their capabilities, then pass messages back and forth with little or no friction.

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