BusinessWeek has an article on how to build Buzz for a new online business.

……PRIME THE PUMP.  An important early step: Give users a reason to hang around. Make at least some of your tools and features free, says Lynn Stott, director of TechSoup, a Web site that offers tech tips and advice for nonprofit groups. "Too often, small businesses really wanted to keep everything close to the chest, and charge for everything — but you’ve got to prime the pump a little bit," says Stott.

There’s a lot more in the article - nothing that’s new, but good information.