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A key attribute of great investors is the ability to abstract away the specifics of a particular domain, leaving only the important underlying principles upon which great investments can be made.
Facebook, Google and Amazon seem already entrenched in our lives, but with the information they know about their users, their ability to target advertising and products has only touched the surface of change.
Australians love dividends and complain when a company cuts its payouts. But neither Amazon not Berkshire Hathaway are ever likely to pay a dividend, and it doesn't bother most of their investors.
Amazon is changing retailing, and Jeff Bezos has driven his company with paranoid customer focus and 4 rules that avoid going into a death spiral. How many big companies are capable of adopting them?