"The white ones are the men and the yellow ones are the women" is the tag line on this odd ad for Univac's experiemental photochromatic technology. Odd because it was 1969 and drugs were the new social scourge - at least the ones used by hippies. Diet pills, cold capsules, and tranquilizers - those were respectable drugs for moms, dads, and computer engineers! Below, we offer you a look at Univac's accurate predictions for the future of "photochromatic" data storage.