>"Since its inception, Amazon has refined and expanded AWS while competitors including Microsoft and Google have tried to replicate its success with similar pro

>"Since its inception, Amazon has refined and expanded AWS while competitors including Microsoft and Google have tried to replicate its success with similar projects. Those companies have only recently started to deliver basic services on par with Amazon’s." They could have summed up the whole thing as First-mover advantage. Amazon created this new market and when MS, Google etc saw a real opportunity in it, they wanted a piece of it and thus moved in by replicating the best features. Meanwhile for Amazon it was all about maintaining its majority share refining and expanding.