lifestyle leader

Willem Buiter - LSE prof and former Bank of England Monetary Policy Committee member - explains why he writes his blog for the FT:

There are minor vanity/ego rents to having people read what I write, and my consulting income may receive an indeterminate boost from these activities. But all that is secondary to my need to write. I don’t know something unless I have written it down.

I agree completely. Too bad I can't guarantee the opposite relationship: just because I've written it down...