Smartphone sales posted their first-ever decline in Q4 of last year - The Hustle
The first smartphones in the world
Apple did not invent the smartphone | by Kim T | Creative Technology Concepts & Code | Medium
Smartphone history: A complete timeline
History and evolution of smartphones | by S92063042 | Medium
The Evolution of the Smartphone: A Journey Through Time - Clear Wireless Blog
From Geek to Chic: a decade of smartphone evolution | Ars Technica
The history of smartphones: timeline | Smartphones | The Guardian
Smartphone - Wikipedia
Mobile phone - Wikipedia
The History of Smartphones
Smartphone History: Impact of Mobile Devices Through Time | Arrow.com
Smartphone | Camera, Battery Life & Storage | Britannica
The rise of the smartphone: Mobile technology in the 2010s
On the Origin of the Smartphone – Product Evolution
History of mobile phones | What was the first mobile phone?
As Smartphones Proliferate, Will One Company Emerge as the Clear Market Winner? - Knowledge at Wharton
A (Mostly) Quick History of Smartphones - Cellular Sales
Smartphone History - The First Smartphone | SimpleTexting
