Malcolm Gladwell (Tipping Point, Blink) now has his own blog at gladwell.com:
In the past year I have often been asked why I don’t have a blog. My answer was always that I write so much, already, that I don’t have time to write anything else. But, as should be obvious, I’ve now changed my mind. I have come (belatedly) to the conclusion that a blog can be a very valuable supplement to my books and the writing I do for the New Yorker. What I think I’d like to do is to use this forum to elaborate and comment on and correct and amend things that I have already written.