A job listing posted by Apple earlier this month indicates the company is indeed looking at using flexible displays in future products, along with high optical efficiency LCD and AMOLED units. The listing was first noticed by 9to5Mac. The listing, for a Senior Optical Engineer, asks for someone with experience in the design, development and technical investigation of display technologies, along with a Ph.D or M.S. in physics, optics, material science or electrical engineering. Recent rumors have suggested Apple is looking at