What's the joy with UWB? Very high speeds over very short distances. Imagine walking in with your laptop and even as you get near your office, a file transfer starts that, in a minute or so, moves hundreds of megabytes between them. Imagine plopping a hard drive next to your computer and seeing it mount. Imagine wheeling a shared scanner into your office and just starting to work. Imagine having several monitors, none of them connected, all of them providing extremely high-quality displays — and your computer is in a closet next door.