IBM created the world's first smartphone 25 years ago | World Economic Forum
History of mobile phones | What was the first mobile phone?
Mobile phone - Wikipedia
What was the first smartphone?
The iPhone Wasn't the First Smartphone. Here's How It Managed to Change the World | Inc.com
History of Phones - Future Phonics - Library Guides at Georgia Southern University
The smartphone is turning 25: here's how far it's come -- Verdict
World's First Smartphone Simon Launched Before iPhone
What was the First Smartphone Ever?
A (Mostly) Quick History of Smartphones - Cellular Sales
Digital Foundry on Twitter: "I've been after one of these for years: the IBM Simon Personal Communicator is widely believed to be the first ' smartphone'. Mine has both batteries but no charging
Tesla Pi Phone, price, launch date and everything we know about Elon Musk's new invention | Marca
World's first smartphone with 150W fast-charging is coming to India
The smartphone is turning 25: here's how far it's come -- Verdict
ReFlex Bendable Smartphone
Smartphone History - The First Smartphone | SimpleTexting
HTC Dream - Wikipedia
The evolution of Apple's iPhone | Computerworld
World's first 'smartphone' celebrates 20 years - BBC News
Cell phone history: From the first phone to today's smartphone wonders
Smartphone History - The First Smartphone | SimpleTexting
Google, Apple, Samsung, BlackBerry: Cellphones that no longer exist
