Methods, systems, and computer program products for synchronizing data stored at one or more message clients with data stored at a message server where the message clients may receive update notifications and may represent the data using different data structures than the message server uses to represent...http://www.google.com.au/patents/US7293046?utm_source=gb-gplus-sharePatent US7293046 - Accounting for update notifications in synchronizing data that may be represented by different data structures
