Airbnb is developing a preferences library where you can add, edit, and choose the visibility of what the app knows about you. @bchesky: "We found that people are fine giving us their information if they know why, where it's going, that it's vaulted, and what we're going to do with it." "We're going to develop a preferences panel. I want to basically build a preferences library where we show you all the stuff we know about you." "Do you want to edit anything? Do you want to add anything?…