Capitalism is coming to an end says economist Rifkin
Economist and author Jeremy Rifkin has told BBC HARDtalk why he believes the internet and digital goods are contributing to the demise of capitalism.
The collaborative commons, Mr Rifkin said, is the new economic system based on sharing which is "entering the world's stage".
Watch more clips at HARDtalk's website
You can see the full interview on BBC World News at 14:30 and 20:30 GMT on Wednesday 30 April and on the BBC News Channel on Thursday 1 May at 00:30 and 04:30 BST.