A Golden Sales Pitch

Can mathematics sell blue jeans? One company is hoping so.

The ProportionofBlu company says that its blue jeans are designed using the golden ratio. M.J. Philippe
Test yourself: Which of these rectangles is the most pleasing? (See note at bottom of article to find out which is the golden rectangle.) J. Rehmeyer
Leonardo da Vinci’s Mona Lisa with a golden rectangle added.