Since early 1980s

Since early 1980s, Michael Porter’s Five Forces (Porter, 1980) has brought breakthroughs to the conventional business strategy concepts, and has become the “bible” guide for leaders from nearly every business and industry to perform effective strategic analysis. The Five Forces model is generic enough and applicable to explain the behaviour of many different markets.
Porter Five Forces is a holistic strategy framework that took strategic decision away from just analyzing the present competition. Porter Five Forces focuses on – how Amazon.com, Inc. can build a sustainable competitive advantage in e-commerce industry Managers at Amazon.com, Inc. can not only use Porter Five Forces to develop a strategic position but also can explore profitable opportunities in whole Services sector.