IBM created the world's first smartphone 25 years ago | World Economic Forum
Smartphone - Wikipedia
History of Phones
First, the Smartphone Changed. Then, Over a Decade, It Changed Us. - WSJ
Smartphone History - The First Smartphone | SimpleTexting
Cell phone history: From the first phone to today's smartphone wonders
The History of Mobile Phones Throughout The Years - Cashfloat
What was the first smartphone?
The History of the Cellphone
Smartphone History - The First Smartphone | SimpleTexting
World's First Smartphone Simon Launched Before iPhone
Steve Jobs Originally Envisioned the iPhone as Mostly a Phone - HISTORY
Why Would Tesla Make a Smartphone? | by Erik Engheim | OneZero
World's First Smartphone Simon Launched Before iPhone
Cell phone history: From the first phone to today's smartphone wonders
Smartphone | Britannica
A brief history of the smartphone
8 Iconic Cell Phone Designs From the Early 2000s | Architectural Digest
The history of smartphones: timeline | Smartphones | The Guardian
On the Origin of the Smartphone – Product Evolution
The iPhone Wasn't the First Smartphone. Here's How It Managed to Change the World | Inc.com
Smartphone | Britannica
The History of the Cellphone
