A new display material could mean scratch-free phones. Sapphire might become the material used to replace smartphone screens. Diamonds are the only natural mineral that is harder than sapphire, a crystal form of aluminum oxide that is also scratch resistant. Currently, smartphones like the iPhone, use Gorilla Glass to protect the screen, but the iPhone 5 just started using sapphire to protect the camera lens.
With "My Queue" you can quickly save videos to watch later.
To add an item to your queue just click the sign next to the video.
Once you've added a video visit "My Queue" to start watching!