The Bank for International Settlements (the bank for central banks) has recently published its 2011 annual report - it is available here. In it, the BIS warn of the dangers to the UK economy of continued low interest rates and quantitative easing. You can read the Daily Telegraph's coverage of the report here.
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.