US only and rules may be too restrictive for some. http://essentials.code42.com/2014_12_29_YearInReview_EmailBlast_Official-Rules.html
We use the business version on some servers at work. Seems to be pretty good. But I'd NEVER give up my likeness and name for some free backup software/cloud storage access...
Having just read the terms, I am really disappointed. They reserve the right to substitute a prize of equal value. It's a family plan of online backup. You don't run out of that. They let their lawyers muck up what might have been a good idea, and it back fired. UGH