Martha Stewart Living Omnimedia has launched Martha's Circle, an ad network made up of lifestyle sites and blogs, hand-picked by editors and experts.

"As internet users become passionately engaged with lifestyle sites, we want to enable marketers to reach consumers in a targeted, niche environment," said Wenda Harris Millard, president, media, Martha Stewart Living Omnimedia, Inc. "Like marthastewart.com, these Martha's Circle sites have been chosen for their strong editorial voice, a unique visual design and loyal audience. We will continue to grow the network as our editors identify sites with rich lifestyle content and a dynamic user base."

According to published reports, among the first advertisers to use Martha's Circle are Ace Hardware, Macy's and Bank of America.