This software company permits readers to view e-books in PDF format. GlassBook has developed a proprietary secured format that limits the printing of documents. This software has been used by major online bookstores. Rocket eBook NuvoMedia has developed a hand-held reader, The Rocket eBook. Rocket eBook and Softbook are now owned by Gemstar.
Users download content from the company s online bookstore or some of the major online bookstores.
The content is in a special HTML format called RocketEditions and can be transferred to the Rocket eBook reader device. Authors and publishers can elect only one format to reduce their initial investment. Utilizing an internal modem users can access titles directly from the company s website using the Softbook dedicated reader device. There may be other minimum content purchase requirements. Softbook and Rocket ebook are now part of Gemstar.