iPhone animated wallpaper

One of the novel features Apple added to the iPhone 6s to distinguish it from its predecessor was Live Photos, where every photo you take is effectively a very brief video, capturing the movement and sound as the photo was taken. The feature is unique to the 6s as it’s activated by a 3D Touch. Today, we’ve learned a little more about the simple yet clever technology behind it.

As you may already know, existing iPhones start taking photos the moment you open the app. This is how Apple provides the camera with the ability to take photos instantly, with none of the delay (‘shutter lag’) you see with some digital cameras. The camera has already taken and temporarily stored a whole bunch of photos, and it simply keeps the last one taken as you press the button and discards the rest … 
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