The short version of our results: I don't care which option you use, just back up! Now! Seriously though, it's interesting to see Dropbox as a backup solution. Yes, it does versioning, but I guess I've never considered it a backup. Perhaps I'm too old.

• Clonezilla 19.6%

• Dropbox 19.3%

• Other 19.1%*

• Bacula 8.8%

• rdiff-backup 7.7%

• CrashPlan 7.5%

• Back In Time 5.4%

• Amanda 4.5%

• luckyBackup 4.1%

• Tivoli Storage Manager 1.8%

• Symantec Backup Exec 1.4%

• Storix .5%

• Areca-Backup .4%

*Popular write-ins: BackupPC, Deja Dup, SpiderOak, duplicity and rsync + tar/btrfs/ftp/cron/and so on.