I today noticed on Twitter this link to the description of all TED Talks which have happened so far (16th June, 2011). Immediately, it looked like something worth looking (read: visualizing) into. So I did.
I created a wordle of the topics (after removing names of authors from some topics):
The topics world, new, life and future clearly stand out, showing what TED is really about.
I created a wordle of the topics (after removing names of authors from some topics):
Topics of TED talks, created using wordle |