Too Long; Didn't Read
Microsoft Zune, Snap Spectacles, Amazon Fire Phone, Windows Phone — all failed. All of these products had a huge Total Addressable Market (TAM) and were clearly Feasible, but failed to differentiate themselves in any meaningful way. Amazon took a $170 million charge to wipe out the lost value of its unsold Fire phones, adding that it still had $83 million in inventory at the end of that period. The Windows Phone, backed by the world’s biggest OS maker (Microsoft), first launched in 2010, was officially declared a failure in 2015.