Not since the 1960s and '70s have women felt so free to grow and show armpit hair. After more than two decades in which women were pressured to pluck, shave and get laser hair removal until they were "slick and hairless like newborn seals," as Alison Lynch for the Metro UK put it, it appears women are letting it all hang out on social media. And Weibo, a microblogging site in China, just posted the results of what is probably the world's first "Women's Armpit Hair Competition."