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ILLUSTRATION CAPsULE $6\mathrm{.}1$ Etsy's Blue Ocean Strategy in Online Retailing of Handmade Crafts

Given the rapidity with which most first$-$mover advantages based on Internet technologies can be overcome by competitors, what must Etsy do now to retain its current competitive advantage?

Is Etsy's unique focused$-$differentiation entry into online artisanal retailing likely to result in long$-$term sustainable competitive advantage for Etsy? Why or why not?