[bravura]

I would pay for a single service that does this across most major internet properties. i.e. pulls my data for me onto, say, an S3 share.

[ConstantineXVI]

Like Backupify? (not to be confused with Backify) https://www.backupify.com/

(PS: Rob, if you're on here, you still owe me a beer next time you're in town. :)

[PedroCandeias]

There's a few of them: http://www.sitepoint.com/backup-social-media-profiles/