Twitter Concept Sketch and more art by Jack Dorsey

Twitter Concept Sketch, 2005

Twitter's origins trace to this sketch from 2005, when founder Jack Dorsey began floating his idea for a real-time, digital journal then called Inspired by how couriers, taxis, and emergency services would constantly share with each other their locations and activities, Jack sketched a basic platform – composed of a single typebar where users could type in their current status – to allow the public to do the same.

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more from BCG Henderson Institute

BCG Growth Share Matrix, 1968

Copernicus Heliocentrism, 1543

Play-Doh, 1954

Wikipedia Interface, 2000 Books Website, 1995


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