Today, Facebook announced that they will provide its users with a download of all of the data it collects on them. In this data, it includes: chat logs, photos, friends. friend's emails, wit all posts, IP Addresses you have used, the previous names you have used, friend requests you have made, and more will be added soon. For the friend's emails, they only show users the emails that their friends have shared with them(so, if their email is listed as only viewable to them, or group you're not in, you can't see it). They also stated that this expanded archive will slowly roll out to all of the sites 845 million users.