Compounding Knowledge - Farnam Street Blog

A lot of us are on the treadmill of consuming expiring information. Not Warren Buffett. He filled his mental filing cabinet with information that had a long half-life.
While most of us focus on consuming information that we won't care about next month, let alone next year, Buffett focused on knowledge and companies that change very, very slowly or not at all. And because the information he was learning changed slowly he could compound his knowledge over time. And as Schroeder notes, Buffett has been in business for a long time, giving him incredible opportunities to create a cumulative base of knowledge.
Expiring information is sexy but it's not knowledge. Here are a few telltale signs you're dealing with expiring information. First, it's marketed to you. Second, lacking details and nuance, it's easily digestible. This is why it's commonly telling you what happened, not why it happened or under what conditions it might happen again. Third, it won't be relevant in a month or a year.

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