Don't look away
The GS4 can detect whether you're looking at the phone. If you look away from the phone, the video will pause. When you return, it'll start playing again. When you're reading, you scroll up and down by tilting the phone up and down.
March 14, 2013 4:28 PM PDT
Photo by: Sarah Tew/CNET
| Caption by: Lynn La
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