“So yeah, sometimes, yes, but that was a sustainable…” — Motley Fool Money at 1:16:45
“So yeah, sometimes, yes, but that was a sustainable competitive advantage. It wasn't the internet. It wasn't the fact it indexed. It was that information. The broader question or comment, I think, is really what is sustainable as a competitive advantage. What gives you an advantage that others can't get? Not what…”
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