Traditional horizontal search engines cannot always identify the target audience, niche or vertical industry of a page or site. Vertical search engines address this issue by the nature of their design. They identify sites according to more specific criteria and sometimes even by human input.
Marc OstrofskyThe Internet produces new business models and also reinvents traditional business models.
Marc OstrofskyNot long ago, the term 'business model' was not exactly on the tip of everyone's tongue. Then, in the early to mid-1990s, 'business model' became a catchphrase that described how a company makes money or saves money.
Marc Ostrofsky