Ellen Pao, a former Reddit chief and partner at Kleiner-Perkins (which she unsuccessfully sued over discrimination), explains How Sexism Works in Silicon Valley.
Sometimes the whole world felt like a nerdy frat house. People in the venture world spoke fondly about the early shenanigans at big companies. A friend told me how he sublet office space to Facebook, only to find people having sex there on the floor of the main public area. They wanted to see if the Reactrix — an interactive floor display hooked up to light sensors — would enhance their experience. At VC meetings, male partners frequently spoke over female colleagues or repeated what the women said and took the credit. Women were admonished when they “raised their voices” yet chastised when they couldn’t “own the room.” When I was still relatively new, a male partner made a big show of passing a plate of cookies around the table — but curiously ignored me and the woman next to him. Part of me thought, They’re just cookies. But after everyone left, my co-worker turned to me and shrugged. “It’s like we don’t exist,” she said.