It's a beautiful sunny Spring day here at the EUPRERA Spring Symposium in Lisbon. It's my first time at this gathering of the European Public Relations Education and Research Association – the forum for innovative PR research and education – and I'm delighted to have been invited to deliver the keynote.

Thanks to Philip Young and David Phillips for the invitation. Here's the slidestack. I was a bit surprised to get a slide count of 77, but 16 of the slides present the infographic 'Content – An illustrated history', which is easy to breeze through :-)

Influence in the age of the social web