Covermount is the name given to storage media or other products packaged as part of a magazine or newspaper. The name comes from the method of packaging; the media or product is placed in a transparent plastic sleeve and mounted on the cover of the magazine with adhesive tape or glue.
Covermount from computer magazines, they contain both demo and full products.
Demo CDs
A game demo is a trial version of a video game that is limited to a certain time period or a point in progress. A game demo comes in forms such as shareware, demo disc, downloadable software, and tech demos.
A game demo cover disk distributed with Amiga Format magazine in 1993