A book with a USB connection is provided. The book also has a memory and optionally a processor. One or more documents are stored in the memory. When the book is connected to a personal computer, the documents can be displayed on the personal computer. The documents can be modified and stored on the...http://www.google.fr/patents/US20080005420?utm_source=gb-gplus-shareBrevet US20080005420 - System and Method for Learning Including a Book with a USB Connector
System and Method for Learning Including a Book with a USB Connector
