David Koretz, CEO of Blue Tie, which has been providing online applications to small businesses since 1999, talks to Vator.tv's Bambi Francisco about its move into the ad syndication business.

The company has 230,000 small-business customers and more than 4 million users of is subscription-based calendar and email offerings, a business that's doubling every year, according to Koretz.

Now it's begun inserting ads in the white-label hosted application platforms it provides to Internet service providers and publishers.