Commercial eBooks & Devices
| Web browser readers | i.e. netLibrary, Questia |
| Dedicated reading devices | i.e. RocketBook, Softbook (eBook-Gemstar) |
| Laptop/desktop readers | i.e. Adobe
Acrobat eBook Reader, Microsoft Reader |
| Public domain books | i.e. Project Gutenberg |
| Personal digital assistants | i.e. Visor, iPAQ |
| Print-on-demand | i.e. Xyan |