Earlier this week, a video of a speech by model/actress/swimwear designer Jessica Rey started making the rounds on Facebook. Titled “The Evolution of the Swimsuit,” the presentation resembles a TED talk in a lot of ways: a well-dressed and attractive presenter on a stage with some audio-visual support. Rey starts out by asking why, in the 1960 song, “Itsy Bitsy Teenie Weenie Yellow Polka-Dot Bikini,” the main character is afraid to come out of the dressing room. Using this as her set-up, she explains the history of the bathing suit from the days when women wore full dresses to swim (and were transported to the beach in big wooden boxes) to now, when, according to Rey, all anyone wears are bikinis. Rey herself used…