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Danh ngôn của Marc Ostrofsky (Sứ mệnh: 3)

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.
Online business models are still evolving. New and different products and services pop up every day. This gives rise to supporting products and services. A business can make substantial profit by helping others execute their plans for making money.