The Lunecase by Concepter allows iPhone users to be notified of calls and text messages before their phone does by utilizing excess energy from the phone when it communicates with a network.
A week of Windows 10, holograms and Exploding Kittens on Mars
Office 2016 launching this year, touch apps coming soon
Microsoft reveals the next version of Windows 10
Introducing Windows 10 for phones
Hands on with HoloLens
Download: Windows 10 build 9926