Primer teléfono inteligente en exhibición fotografías e imágenes de alta resolución - Alamy
IBM created the world's first smartphone 25 years ago | World Economic Forum
Who invented the first smartphone? What is the evolution of the smartphone? - Quora
IBM created the world's first smartphone 25 years ago | World Economic Forum
What was the First Smartphone Ever?
Cell phone history: From the first phone to today's smartphone wonders
Detail
Smartphone | Britannica
IBM Simon: The World's First Smartphone Turns 25
On the Origin of the Smartphone – Product Evolution
Smartphone History - The First Smartphone | SimpleTexting
World's first 'smartphone' celebrates 20 years - BBC News
Cell phone history: From the first phone to today's smartphone wonders
O-LINE-O on Twitter: "Interesting, isn't it? The first #Smartphone was invented 28 years back. The developments in smartphone technology in the last few years is truly amazing! #OLOFacts #OLINEO #IBM #FirstSmartphone #Facts #
World's first wireless flexible smartphone developed - The Economic Times
Teléfono inteligente - Wikipedia, la enciclopedia libre
The iPhone Wasn't the First Smartphone. Here's How It Managed to Change the World | Inc.com
Smartphone History - The First Smartphone | SimpleTexting
World's First Smartphone Simon Launched Before iPhone
The First Smartphone - ServerCake India
A (Mostly) Quick History of Smartphones - Cellular Sales
Before IPhone and Android Came Simon, the First Smartphone - Bloomberg
