4. Focus on product, not sales - Peter Thiel

A company has a monopoly on its own brand by definition, so creating a strong brand is a powerful way to claim a monopoly.

Today’s companies have an insatiable appetite for data, mistakenly believing that more data always creates more value. But big data is usually dumb data.

Conventional beliefs only ever come to appear arbitrary and wrong in retrospect; whenever one collapses, we call the old belief a bubble. But the distortions caused by bubbles don’t disappear when they pop.