As tributes to Apple's co-founder Steve Jobs flooded in, Barack Obama, the US president, described him as one of the "greatest of American innovators".

The man who gave the world the Mac, iPod, iPhone and iPad passed away on Wednesday at the age of 56, after suffering from pancreatic cancer.

News of his passing spread globally on the very devices he had created.

Tim Cook, Apple's new CEO, said the company has lost a visionary and creative genius, and the world has lost an amazing human being.

Jobs left behind one of the world's most popular brands, and a fortune of more than $8bn.

In this episode, we ask: can the true legacy of Steve Jobs ever be quantified?

Inside Story, with presenter Mike Hanna, discusses with Abdallah Schleifer, a journalism professor at the American University in Cairo; Duncan Bell, the operations editor for the gadget magazine T3; and Max Keiser, an American filmmaker and former Wall Street broker.