keywords: thomasb2b ads advertising ad business
text: Business-to-business online ad network launches ThomasB2B.com LLC will officially launch on Monday a new online advertising network which is modeled after general-purpose ones from the likes of Yahoo Inc.'s Overture and Google Inc. but which differs in two key aspects: first, it is focused exclusively on the business-to-business market; and second, it matches ads with search queries and content through predefined categories, not keywords.