Stephen Fry, actor, journalist and celebrity 'Tweeter' and self-confessed technophile; Biz Stone, Founder and Chief Executive of Twitter; and Reid Hoffman, Founder and Chief Executive of LinkedIn discussed the future impact of social media.

This event formed part of our Silicon Valley comes to the UK event programme and was filmed at NESTA in November 2009.

Loading more stuff…

Hmm…it looks like things are taking a while to load. Try again?

Loading videos…