They traded practical tips on everything from who prepares the place cards to who does the dishes.

"He'll trade tips on your portfolio for help with his swing," the mailing promises.

A fire crackled in the living room's black marble fireplace as guests traded tips on wineries and restaurants over free afternoon wine.

Today, enthusiasts gather at conferences and on the Web (a starting point is www.nashville.net/theremin) to trade experiences and tips.

People expressed frustration and traded tips on the best ways eventually to get inside.

Teachers also traded tips with each other about how to get equipment and keep students interested.

Increasingly, those volunteers are trading tips with law enforcement agencies and Internet providers.

Perhaps the best thing about joining a tour group is that you get to trade tips with fellow travelers.

It didn't take hard-core game players long to realize that they could considerably shorten their learning curves by trading tips and secrets about popular computer games.

The two (man and computer) traded tips and quips.