I.
Summary
There are many reasons why you may want to put information on CD: to reduce environmental damage, to save costs, to offer large volumes of data or to use the speed and power of electronic searches.
These same benefits also apply to putting your catalogue on the internet, and many of the points made in this paper apply equally well to that alternative. However there are many instances where the large data capacity and portability of a CD or DVD make it the logical choice.