4 ms·http://www.lietaer.com/2010/03/the-worgl-experiment/ http://www.lietaer.com/2010/03/the-worgl-experiment/by known 12y agohttp://www.lietaer.com/2010/03/the-worgl-experiment/ http://www.lietaer.com/2010/03/the-worgl-experiment/