IBM created the world's first smartphone 25 years ago | World Economic Forum
From Geek to Chic: a decade of smartphone evolution | Ars Technica
World's First Smartphone Turns 20 Today
The History of Progression Of Smartphone Design | by UniverCell Canada | Medium
First Smartphone: Fun Facts About Simon | TIME
History of mobile phones | What was the first mobile phone?
IBM Simon: On this day 21 years ago, the world's first smartphone went on sale - News18
File:IBM Simon Personal Communicator (1993) - the first smartphone - Computer History Museum.jpg - Wikimedia Commons
World's first smartphone turns 20
Meet The World's 1st Phone with Infinity Display & 8GB RAM- Ulefone F2
The iPhone Wasn't the First Smartphone. Here's How It Managed to Change the World | Inc.com
A (Mostly) Quick History of Smartphones - Cellular Sales
Samsung's Smartphone History: From Zero to Galaxy S4 | PCMag
Nokia launches world's first smartphone with a unique five camera array in Barcelona - Tech - DAWN.COM
Smartphone | Camera, Battery Life & Storage | Britannica
World's First Smartphone Simon Launched Before iPhone
HTC Dream - Wikipedia
Hello, Simon | The world's first 'true' smartphone turns 31 today
The Worlds First 'Smartphone' Turns 20
The smartphone is turning 25: here's how far it's come -- Verdict
:quality(70)/cloudfront-eu-central-1.images.arcpublishing.com/irishtimes/P72BGZNIEUIFBB2R5JTATPTUJU.jpg "$900 and a battery life of one hour: the first ever smartphone – The Irish Times")
$900 and a battery life of one hour: the first ever smartphone – The Irish Times
20 years of the smartphone: an evolution in pictures
Smartphone - Wikipedia
Smartphone history: a complete timeline
