augury

Proving that some market somewhere will find a value for anything, a company called Orbital Insight is now tracking "the shadows cast by half-finished Chinese buildings" as a possible indicator for where the country's economy might be headed.

http://bldgblog.blogspot.co.uk/2014/11/just-in-case-informatics.htmlhttp://bldgblog.blogspot.co.uk/2014/11/just-in-case-informatics.html