No apps to find. No menus to learn. Think of what you need — and it's there.
One crystal. One sheet of light. It wakes when you look, and fades when you don't.
1.9 millimetres. Turn it sideways and it almost disappears.
Days on one charge. The back is a solar skin — most people will never plug it in.
Talk to anyone on Earth. It translates live, in your own voice. Even your jokes.
iPhone Ring. Everything your phone can do, in a band of light on your finger.
The future arrives January 2050.