To help celebrate E-Book Week, March 2-8, Epublishers Weekly came up with 30 Benefits of Ebooks.
Here are the top 10:

1. Ebooks promote reading.
2. Ebooks are good for the environment.
3. Ebooks preserve books.
4. Ebooks, faster to produce than paper books, allow readers to read books about current issues and events.
5. Ebooks are easily updateable.
6. Ebooks are searchable.
7. Ebooks are portable.
8. Ebooks (in the form of digital audio books) free you to do other activities while you are listening.
9. Ebooks can be printable.
10. Ebooks defy time: they can be delivered almost instantly.