I casually mentioned that entrusting Google to store all your data without having backups yourself is a bad idea, and @jmrowland enquired as to how you can back up stuff you create “in the cloud” (using Google).
I figured I should share the Perl script I’m currently using to back up my Google contacts, calendar and Google Reader subscriptions, so I’ve uploadedbackup-google-stuff on GitHub.
As I only wrote the script for my own use it’s quite basic and perhaps not particularly user-friendly, but I thought it only fair to share it; if people are interested in it, I may extend it somewhat. I’m fairly sure there are other “backup your Google account” solutions already out there already, though.
Of course, backing up mail from Gmail is trivial as they offer IMAP access; I don’t rely on Gmail so I’ve not bothered with that myself.
EDIT: I’ve seen Backupify recommended as a good solution for backing up your stuff from Google.