| 摘要 |
Architectures and techniques are described to rent electronic books. In particular, a content provider can rent electronic books to individuals for a specified rental term. The individuals may have the option to modify the rental term for an electronic book. The rental term for a particular electronic book may be modified by extending the rental term of the particular electronic book or decreasing the rental term of the particular electronic book. Individuals may also convert the rental of an electronic book to a purchase and a purchase of an electronic book to a rental. In order to rent the electronic books to individuals, the content provider may acquire permission from the publishers of the electronic books. In some cases, the content provider may acquire a pool of time-bound rentable licenses from the publishers to allocate to individuals renting electronic books from the content provider. |
