Sometimes, like if your system goes bluescreen due to a virus or other corrupting of you hard drive, necessitating a reformat of your hard drive, you cannot reload what you copied. This is because you copied the virus onto the disk. This means everything is lost. Antivrus software offer backups, at a price, but for a whole year while you use them. This is only if you need to reformat though, that you may not be able to reload everything yourself. G.hos.t will help in the future. Storing stuff in cyberspace.