Communications experts seeking to uphold the good name of a brand or organization say monitoring and contributing to wikis - Web sites that have content developed collaboratively by visitors - often take more time than participation in blog discussions or other online media. But that's partly what makes the process worth doing.

"It's a little bit of a different ballgame compared with the other things we're monitoring," says Cord Silverstein, Capstrat's SVP of engagement marketing. "You need to be able to ...