Personal Highlights:

• I’d rather be dumb and antifragile than extremely smart and fragile, any time.
• Sensitivity to harm from volatility is tractable, more so than forecasting the event that would cause the harm.
• And we can almost always detect antifragility (and fragility) using a simple test of asymmetry: anything that has more upside than downside from random events...

Personal Highlights:

• Information is costly to produce but cheap to reproduce.
• You must price your information goods according to consumer value, not according to your production cost.
• Providers of information on the Internet can exploit the same strategy: investors now pay $8.95 a month for a Web site that offers portfolio analysis...