...and there are nearly 150 speakers for DLD (Digital. Life. Design), which seems like the European equivalent of TED (Technology. Entertainment. Design). They even have similar logos. I'll report back when I finish. It's a serious list with everyone from Jimmy Wales to Jonathan Harris to John Naisbitt to Reid Hoffman, Aaron Koblin, Al Seckel, Hubert Burda, Jason Kilar, Andrew Robertson, David 
Kirkpatrick and Reinhold Messner - and even another guy who has reached both poles - seriously... let me check, Obama may be doing this one...