Secretive sex parties are becoming the norm in Silicon Valley. That's according to an excerpt from the Bloomberg reporter Emily Chang's new book, "Brotopia: Breaking Up the Boys' Club of Silicon Valley," which details the inner workings of the Valley's freewheeling sex culture. Chang writes of several investors and entrepreneurs who shared stories of sex parties that encourage open relationships, heavy drug use, and "cuddle puddles." Chang writes that the parties are fueled by drugs like MDMA, aka Molly, with tablets that are sometimes shaped like the logos of tech companies. Venture capitalists, founders, and ... (full story)