WWD Predicts Top 10 Pantone Colors for Spring 2011

WWD predicted the top-10 Pantone colors for the upcoming spring 2011 collections, so far after the New York fashion week and the present London fashion week, their prediction has been very accurate…

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I’m curious; is there an algorithm used or is it just a matter of instinct after watching the shows? Also, is there a pattern that assists in anticipating what subsequent color palettes will be, for say, Spring ‘12? Given how important color choice is for the fashion industry, I’d think development of such a system would be useful if one is not already in place; or maybe it’s treasonous to even mention such an idea.  Does anyone know about this?