Blurb, the online service that published more than 80,000 books last year, is moving up market.While most of its titles are still made by consumers using the basic version of Blurb's Booksmart software, the company is seeing more interest from designers, photographers and other professional users, according to CEO and founder Eileen Gittins. The San Francisco-based startup is rolling out new services this week targeted at the high-end segment, where customers are more finicky about the quality of images in their books. It's released an upgraded version of Booksmart and is unveiling a new service called Blurb business-to-business, or B3, that will provide professional users with printing services that reproduce colors and images to their exacting specifications, says Gittens."This is the ... [ Read more ]