Thought this was an interesting blog...
Commodities Collapsed Just Before The Last Stock Market Crash – So Guess What Is Happening Right Now?
It's basically an observation of patterns in the economy and the belief that commodity prices are the early indicators of how the (global) economy changes when demand slows down or speeds up.
Oh, and the observation that the prices are heading for a 13 year low, indicating bad things happening within the next few years.
Time to bring out the umbrellas in case the sky is falling?