Yes, they're up for debate, because at many times in the last 20 years people have had very different opinions on all those topics. People who grew up with the

Yes, they're up for debate, because at many times in the last 20 years people have had very different opinions on all those topics. People who grew up with the current trends find it hard to see, but read some late-80s business magazine articles for a different perspective. Back then, the trends were B-school, investment banking, investing in lowering production cost, consumer brand marketing, selling razor blades, etc. Few people thought you could make a huge business in software. Many of those trends changed. I think Paul's claim is that the trends he mentions are good long-term bets.