As a result, Germans would see the prices that they paid for basic items like bread change during the course of a day.

FORBES: Bill Gross & Jeff Gundlach Make Bold Calls Based On Monetary Policy

The prices of basic food items such as bread, milk, vegetables, and cooking oil, which rose 47 percent between 2011 and 2012, continue to climb.

FORBES: Despite Being Economically Unfree, Iran's Economy Shows Resilience

The Chorleywood Process, a new way of producing bread, also meant the basic loaf could be produced more cheaply and quickly than ever.

BBC: Breakfast, lunch and dinner: Have we always eaten them?