I am disappointed to see that Synology doesn't have a Carbonite backup app. But they do have a few other cloud backup options, including one that sounds particularly clever: http://www.symform.com/

If done correctly, their concept of unlimited free peer-to-peer backup could be amazing. I don't think enough people will buy into it though. Personally, the idea that all of my personal data is residing on someone else's disk drive... even if I know it's encrypted... is scary.
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Tony Fabris