The official TED website includes a list of the top 25 most-watched TED Talks of all time. The playlist runs seven hours. The transcripts are a combined 70,000 words. That’s like a 200-page book.

Her TED Talk from 2012 has racked up almost 52 million views, second only to this talk about educational reforms. She has since written a book, called Presence, and combatted negative press about her ...