&gt; fortunes are built on compound interest<p>This makes sense to me more on the scale of a single company. Put together a great team and focus them on a long-term problem. Their year-over-year drive and passion will outlast the rollercoaster of starting a company, leading to a much better shot of those huge returns.<p>Rather than going all in on the flavor-of-the-week, I agree with the focus on radical improvements to existing markets. It&#x27;s far more likely—which does not mean less impactful—that we can fix known problems than fix as-yet-unknown problems.