The following is a great article that reviews 27 Online Backup Services. There are no excuses for NOT backing up your local backups and other important documents/files.
Online backup services work much like traditional backup software. With an online backup service, however, your important data is transmitted over the Internet and securely stored on a server in a professional data center. The advantage of having your important data backed up off-site, away from your home or office, is that it’s safe from theft, fire, and other local disasters.