What do you get if you mix the ideas of Biz Stone, Reid Hoffman and Stephen Fry on the future of social media?

The answer can be downloaded below or viewed here – the Founders and Chief Executives of Twitter and LinkedIn and the UK’s first Twillionaire discuss the phenomenon of social media and its future impact in a webinar yesterday hosted by NESTA (UK’s National Endowment for Science, Technology and the Arts).

It runs for over an hour, and it’s the audio that counts – so it’s great for travelling or background intelligence while you’re working.

So here’s the feed, right click and select save/download file here (it’ll take some time – it’s big 290MB).