Can the fast fashion business model embrace sustainability?

We all know the trademarks of the fast fashion industry, the negative impact it leaves on the environment, the throwaway culture it breeds to satisfy the need for the new, and the waste is causes when unsold clothes end up in landfill. But by-product aside, the fast fashion business model may in fact have the answer that can circumvent disposability and produce clothes in a more sustainable way, if not ethical, way.