Data synchronization technologies are designed to synchronize a single set of data between two or more devices, automatically copying changes back and forth. For example, a user's contact list on one mobile device can be synchronized with other mobile devices or computers. Data synchronization can be local synchronization where the device and computer are side-by-side and data is transferred or remote synchronization when a user is mobile and the data is synchronized over a mobile network. [Source: Adapted from Nokia]
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