Michael Lewis's Flash Boys has caused quite a stir among traders, investors, and regulators - click here and watch FT video below for further details. Lewis's basic allegation is that high-frequency traders are manipulating the market to their advantage with high-powered computers and complex algorithms. New York's Attorney General calls it "Insider Trading 2.0".
According to Robert Shiller , speaking at Davos, Bitcoin is a perfect example of a bubble - story here . Shiller sees Bitcoin as a backwards step in the evolution of money. George Selgin , a free banker, takes an opposing view - click here . Although he doesn't believe that Bitcoin is money, he sees its development as a fascinating turn in the evolution of money. In particular, he lauds the fact that Bitcoin production is constrained and cannot be infinite. There is a short video below where Bitcoin explain how it works.