Invention Grant
US07676436B2 Digital content distribution systems and methods 有权
数字内容分发系统和方法

Digital content distribution systems and methods
Abstract:
Embodiments of the present invention enable a user to acquire an item (e.g., a digital song, digital video, etc.) using one device (e.g., a portable device) and to easily move a copy of the acquired item from the one device to another device so that a user of the other device can play the item.
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