Does anyone know how they do this, technically, and to what extent? Does Google just feed them billions of emails, or what? Do they type my name into a form on Amazon.com to get SSH access my EC2 server? And how the hell do they see my finances? Do all of those terms of service agreements say, "By the way, we give your private information to the government without question" ??? At first I thought it didn't matter tha…
Nothing gets deleted from FB. So the data is there for a long time - further, FB is careful about where they build datacenters and hold the data so as to ensure that FB is the owner of the data, and not subject to some foreign government claiming that they own the data of their national users.
Google surely has the same team, tools and procedures.
What about Dropbox? and Box? How do these companies deal with this whole situation? FB has an entire .gov policy/interfacing office in DC - do these other companies as well?