Indeed for a computer like me, allow me to make backups of files or database that I can crush every week (every day, every month regardless). They also allow me to be able to make CD images for the operating system facilities for example, or software.
Moreover even if the DVD capacity is not as important as a USB stick, it remains at a very reasonable price compared to an external hard drive or even with some USB big capacity.
Finally choosing the Verbatim brand, I know I will never have any problems with this product, the brand is not at his first attempt in selling CD / DVD blank.