Bradley Horowitz, Google's vice president of product management, tells eWeek that Buzz is intended to complement Facebook and Twitter -- not challenge the more-established social-networking sites.

Out of 176 million Gmail users, "tens of millions ... created more than 9 million posts and comments," says eWeek, a print and online publication that covers high-tech news.

Horowitz told eWeek: "The way that people are using Buzz is exactly as hoped and intended. It's not just status-casting. It's not just checking in. It's really meaningful interactions around meaningful topics within Buzz and it's reaching the right audience and people are engaged. That kind of value proposition is I think unique to Buzz."

How are you using Buzz?

Andréa Maria Cecil is managing editor at the Central Penn Business Journal. She is a 31-year-old native New Orleanian who is interested in how gadgets and technology can make business more efficient.