why was the first smartphone considered a disruptive technology?\na. because it only involved small changes…

why was the first smartphone considered a disruptive technology?\na. because it only involved small changes from the existing technology of cell phones\nb. because it changed how and when we connect to others, allowing constant communication\nc. because its louder ringtone and ability to play video led to more disruptions in the workplace\nd. because it was never widely accepted, even after years of attempts to incorporate it into everyday life

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