Google. Data. Gone.

I'm a Google-aholic. But what happens when Google goes down? No, really, what if Google one day just...disappears? How would I get back all that 'stuff' I've relied on Google to manage for me?
If you've ever wondered this (and now that you've heard it's possible, you will), read this post - HOW TO: Take Back Your Data From Google's Claws.
Must. Go. Make. Backups. Of Everything.
Oh, does anyone know how to back up blogger blogs???