1.   Because of additional printer support, two disks now hold the printer-definition files.

2.   A disk can hold many hours of information.

3.   But its disks hold more information and can be popped in and out, in effect giving unlimited storage capacity.

4.   Even with the best data compression, the current CD-ROM disks can hold only about an hour of video images.

5.   For audiophiles, one DVD disk can hold all nine Beethoven symphonies, and it plays existing audio CDs.

6.   Zip disks can hold those and load them quickly, too.