One of the most significant developments in the late 1990s that has changed the perspective of present day manager is the emergence of information superhighways.As the highways carry the traffic to far-flung areas at a high speed, the modern information all over the globe.
     These information superhighways carry a variety of information like numbers , text ,graphics , voice and full-motion video . The present day ,global information superhighway is popularly known as Internet or simply the 'Net'.
     The internet means different things to different people. It is so because it has a variety of applications and it offers an ocean of opportunities for business.
     With gradual advancement in networking technology and availability a lot of information on the ARPA Net , more and more computers started getting connected to it.
     The internet is a unique network.. It is not administered by any international body. Instead , there is a voluntary society of internet users called internet society that aims at promoting global exchange of information through the internet.
     The internet architecture has 3 basic layers , namely, internet backbone , internet service providers and the end user. The internet backbones are high speed networks connected to each other and internet service providers are connected to any one of the backbones with high speed data transfer lines. The  end user , generally , dials up the internet service provides to gain access to the internet.