A great idea, however I'm not sure how much use it would be, what with hedging and grid based strategies running on this site it could actually provide very misleading information. Maybe there would need to be a tick box on each account 'Include in market sentiment widget' so people can opt there trades out of it.
11:15, restate my assumptions: 1. Mathematics is the language of nature. 2. Everything around us can be represented and understood through numbers. 3. If you graph these numbers, patterns emerge. Therefore: There are patterns everywhere in nature.