This article is from the CD-Recordable FAQ, by Andy McFadden (firstname.lastname@example.org) with numerous contributions by others.
The term "CDR-ROM" was coined by Optical Disc Corporation in a February
2003 press release, and refers to a disc with writable and non-writable
components. Some possible uses include burning a unique serial number on a
full CD-ROM, or providing recordable discs with marketing content (e.g. a
few tracks of audio to which more music can be added). More information
can be found at http://www.optical-disc.com/.
Eastman Kodak had a similar product, called the "CD-PROM", a few
years earlier. According to their web site, marketing and sales
of the CD-PROM was discontinued in October 2002. See the notice on