Sure! When you backup to an external hard drive, it happens either on a regular schedule or when you think about it. [LiveBackup], on the other hand, is always running when your computer is on, and it backs up your files in the background shortly after you save them. There is no need to remember to start your backup or to leave your computer turned on for a regularly scheduled backup.
There is another good reason to use ]LiveBackup] instead of external hard drives. If something happened to your workstation such as theft or fire, it is likely that you would also lose your external hard drive--and all of your backups! With ]LiveBackup], your data is protected on servers in our data center. If your computer is lost to fire or theft, the data center (probably) won't be affected.