Similarly I've long noticed a connection between brevity and stature. In speech, writing and behavior. With sales by the way it's always important to get your ass out of dodge after getting agreement from the customer, lest they change their mind.

Getting out of dodge.

Maybe this is why he was brief: His point is a potentially unpopular one.

It is just a very interesting topic. One that few who are successful would dare to explore in depth.

It would be interesting to hear how his brief remarks were received. Did people like what he had to say?

"Always leave them wanting more" isn't just advice for show business.

Talks in most TED categories are ranked better when they're longer. http://www.ted.com/talks/lies_damned_lies_and_statistics_abo...

"Better" implies enjoyment, among other things. It does not mean the message stays with the viewers.