After watching a few of these hearings, you start to realize that there are very careful interpretations of otherwise common language in use here to obfuscate a

After watching a few of these hearings, you start to realize that there are very careful interpretations of otherwise common language in use here to obfuscate and avoid. In this case, Facebook 'lets a user download all of [their data]'. Where [their data] is any input a user provided - text, photos, messages, etc. It seems that Facebook considers fingerprints, links, and any other meta-data a user creates or uploads, not the user's data, but FB's data. And that [what they call FB's data] is not available to the user.