A talk of interest to me on a variety of levels, not least that he’s quoting information from my PhD thesis (not that he, nor anyone else, tends to know that
!) in discussing ‘Keep Calm and Carry On’ – and of course he’s talking about social media.
Love this diagram of our engagement with social media:

Pingback: Tweets that mention TEDx – Reinventing Social Media | Digital Fingerprint -- Topsy.com