Why was the first smartphone considered a disruptive technology?

because it changed how and when we connected to others allowing constant communication

Explanation:APEX

Smartphone was the most innovative and efficient invention of modern times. By the use of smart phones, people can connect and communicate anything at anytime and at anywhere in the world from one corner to the other corner of the world. It is considered a disruptive or unconventional technology where people can easily send and receive information and share knowledge ideas. They can remain in touch with each other at all times.