Apple & Android took the smartphone from something that belonged in a businessman’s belt holster to something that lives in the pocket of every person on the pl

Apple & Android took the smartphone from something that belonged in a businessman’s belt holster to something that lives in the pocket of every person on the planet who can afford it, from niche to ubiquity. For sure they did not invent “phone with store”, but they did create or strongly participate in a complete change of the market that left the earlier players - Windows Mobile, BlackBerry, Nokia, etc buried six feet under.