Google announced on its official blog today that it would do some “winter cleaning” by discontinuing a number of services in the near future. Among the services shutting down as of Jan. 30 is Google Sync, which allowed users to get access to Gmail, Calendar, and Contacts using the Microsoft Exchange ActiveSync protocol. As an alternative, Google recommended IMAP for mail and the recently launched CardDAV and CalDAV protocols. Google also confirmed it would continue offering the service to existing consumers and Google Apps for Business, Government, and Education customers.

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