Book notes: For renewable energy to spread we need more rare earth metals. A look at David S. Abraham’s The Elements of Power: Gadgets, Guns and the Struggle for a Sustainable Future in the Rare Metal Age.  (New Scientist)

Quote of the Day

"If you want to get sharper and better at something, track it and measure it. It will help you do that."

(Fred Wilson)

Chart of the Day

What asset classes do best when the stock market tanks?