You've already heard of 3D printing, but what about 4D? Executive News Editor Ken Mingis gets the details from Senior Writer Lucas Mearian and they both puzzle over the mystery gadget guy's mystery gadget.
The Intel Compute Stick is a tiny device the size of a pack of gum that can transform any HDMI TV or display into a complete computer. It's regular list price of $490 on Amazon has been dramatically reduced to just $115.90.
Pressing the Alt key and a number code gives you access to hundreds of special characters from currency to copyright symbols, to linguistic characters and tiny graphics like snowmen and smiley faces. Here's how they work.