What did it for me was a TED talk of Gladwell, a good few years ago. It was a talk about marketing and the point he wanted to make was that diversification (mul

What did it for me was a TED talk of Gladwell, a good few years ago. It was a talk about marketing and the point he wanted to make was that diversification (multiple lines of the same product) was the answer. I took it for granted at the time - and having read "The Tipping Point" before then, I felt he was the man to follow. But having tried it it in the real world, I realised most of what he was saying just didn't hold.