US President Barack Obama joined an outpouring of tributes to Steve Jobs, calling the Apple co-founder a visionary and great American innovator.
"Steve was among the greatest of American innovators - brave enough to think differently, bold enough to believe he could change the world, and talented enough to do it," Obama said of Jobs, who died on Wednesday.
The US President was joined by political, technology, entertainment and business leaders around the world in paying tribute to Jobs. A selection:
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