As more and more of us start storing more and more of our files and information online by using only webmail, and only photo sharing services like Flickr, it's easy to think we don't need to worry about backing up our data anymore. But what to do when the service is down? How do you access your data then? Read this article to learn  about some of the hidden risks of cloud computing.
This Lifehacker post  offers brief reviews of several (free) tools you can use to keep backups of all your online data. I'm backing up my Flickr photos right now.