A logical separation between pages, such as an implicit page break, is introduced to separate text entered during one handwriting session from text entered during another handwriting session. In the information storing medium in which digital contents are recorded, the digital contents include device information to identify a user device and digital data, the device information being used to determine a state of a usage authorization of the digital contents. Each memory device has a data in signal and a data out signal, and the data out signal each memory device is transmitted as the data in signal of the next device in sequence.