Self-tying shoes Self-tying shoes Self-tying shoes (also known as "self-lacing" or "power laces") are designed to automatically tighten once the user puts them on. Such shoes were initially depicted in the 1989 science fiction film "Back to the Future II". In April 2009, Nike filed a patent for self-lacing shoes, with a design that bears a resemblance to those worn by Marty in the film "Back to the Future II", raising speculation among fans about a possible debut of self-lacing shoes. In 2014, Tinker Hatfield, the designer of the original Nike shoes as depicted in "Back to the Future II", indicated that
Quantitative tightening Quantitative tightening Quantitative tightening (QT) is a contractionary monetary policy applied by a central bank to decrease amount of liquidity within the economy. The policy is the reverse of quantitative easing aimed to increase money supply in order to stimulate the economy. The QE policy was massively applied by leading central banks to counter the Great Recession that started in 2008. The prime rates were decreased to zero; some rates later went into the negative territory. For example, to fight with ultra-low inflation or deflation caused by the economic crisis, the European Central Bank, overseeing monetary policy for countries that