These people are building an archive and telling you about it. Numerous other entities have built archives and are not telling you about it. Furthermore, they h

These people are building an archive and telling you about it. Numerous other entities have built archives and are not telling you about it. Furthermore, they have archives of everything you made "private" on Facebook/+. Hopefully you now better understand security and will not compromise information you wish to remain private in the future. But what's done is done. You can't revoke it once it's out there in plain text.