/cdn.vox-cdn.com/uploads/chorus_asset/file/8725543/72959794.jpg "How Apple's iPhone changed the world: 10 years in 10 charts - Vox")
How Apple's iPhone changed the world: 10 years in 10 charts - Vox
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IBM created the world's first smartphone 25 years ago | World Economic Forum
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IBM created the world's first smartphone 25 years ago | World Economic Forum
Smartphone - Wikipedia
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A brief history of the smartphone
