Recently there has been a number of reports that Amazon is preparing to get into the smartphone market with a product of its own.
Maybe they can make it, maybe not but one thing is true. All the major players in the smartphone market right now did not participate in that market 5 years ago; Apple, Samsung, LG, HTC .. and where is Nokia, Blackberry and Sony .. either gone or going. And don't forget how Google plays the role Microsoft played in the PC business.
Anyway, would be interesting to watch .. in the mean time you can read more