What are Live Photos in iOS 9?
Apple introduced Live Photos starting with the iPhone 6s and iPhone 6s Plus. When Live Photos are enabled, capturing a photo also records data before and after the shutter button is pressed in the Camera app.
Approximately 1.5 seconds of movement and sound is stored along with each 12-megapixel still image. Motion is played back briefly when swiping across photos, or when Live Photos are used as a lock screen wallpaper or Apple Watch face.
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