AirPlay has been with us for a long time. It’s an evolution of the old AirTunes protocol, which was meant only for music. In 2010, AirTunes got a host of new capabilities (music, photos, video) and a new name. A year later, it gained the ability to mirror your iOS or Mac screen to a compatible AirPlay receiver. With an Apple TV, you could put your Mac desktop on your PC in the blink of an eye!
The AirPlay symbol you’ve seen for years.
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