The invention allows any number of connected computing devices to synchronization data with each other without being wired directly to each other. The invention provides for generic data handling in addition to type-specific data handling to allow plug-in support for additional data types without altering...http://www.google.com.hk/patents/US20070130217?utm_source=gb-gplus-share專利 US20070130217 - MANY TO MANY DATA SYNCHRONIZATION
