Master the Four Science Internet business. This article I took from the famous Internet businesses Indonesia Cosa Aranda [translate-indonesia]. Why is it so important this article should be in the post ..? because if we do not master the four basic knowledge about this Internet business in guarantee you we do not get satisfactory results, because with my experience in the online world feel that way. Ya not wrong? He said Internet business can be done by anyone, no matter the level of education or science under their control? How come there are now four areas of science that should be controlled at all?