World's First Smartphone Simon Launched Before iPhone
IBM created the world's first smartphone 25 years ago | World Economic Forum
LIBBY PURVES: Some days I wish mobile phones had never been invented | Daily Mail Online
The rise of the smartphone: Mobile technology in the 2010s
Cell phone history: From the first phone to today's smartphone wonders
The History of the Cellphone
The smartphone is turning 25: here's how far it's come -- Verdict
A brief history of the telephone | World – Gulf News
On the origin of the smartphone - Fifteen Eighty Four | Cambridge University Press
History and evolution of smartphones | by S92063042 | Medium
The World's First Flexible Smartphone Has Just Been Invented
The first smartphones in the world
15 Ways Smartphones Have Changed Your Life
Smartphone innovation in the third decade of the 21st century | MIT Technology Review
Smartphone - Wikipedia
World's First Smartphone Simon Launched Before iPhone
Smartphone History - The First Smartphone | SimpleTexting
World's first 'smartphone' celebrates 20 years - BBC News
The history of smartphones: timeline | Smartphones | The Guardian
Cellphone inventor Martin Cooper: Smartphones aren't optimal | CBC Radio
Mobile phone - Wikipedia
History of mobile phones | What was the first mobile phone?
Smartphone History - The First Smartphone | SimpleTexting
Martin Cooper | Biography, Inventions, & Facts | Britannica
In pictures: How have mobile phones changed over the years? - BBC Newsround
Smartphone history: A complete timeline
Why was the first smartphone invented? - Quora
