Every so often, Facebook hosts its f8, a conference in San Francisco aimed at developers, media, and partners. This year, in front of an audience of 2,500+, Facebook introduced its vision for the next year and beyond. With Mark Zuckerberg kicking things off, Facebook introduced a dozen or so new products organized into three including Facebook’s update to Login, which gives people more control over the information they share with apps, Anonymous login, which offers a way for people to…