"Yeah, I noticed I was missing a really useful gadget and someone kept asking me really hard questions."

He may want to exchange that tie rack for a really useful gadget (like a $99.95 Voice It memo pad).

Then, if you happen to stub your toe over some useful gadget, they increase your pay.

"Very useful gadget, but you know, you can communicate with a computer about as well with a good briefcase console."

Another useful but hardly wonderful gadget was a dictaphone-typewriter-printing-press combination.

Portable media centers are very useful gadgets.

"Be a useful gadget for saving the lives of people who are falling," said Jim thoughtfully.

And you can really make someone feel special with a useful gadget.

For their work in Japan, they'd brought camera gear, and a useful little gadget that looked like, and indeed was, a bright light.

It's a useful - but often unused - gadget.