Jeff Ellingson, Product Manager at Google, announced this week that the search giant is adding CardDAV to its list of supported protocols. For iOS and OS X owners, this means you can now sync your Google contacts to Apple's built-in contacts app using this open protocol, instead of Exchange.
You can add a CardDAV account to your iOS device using the instructions on Google's website, which are included below for your convenience. Google notes that syncing via CardDAV is only available for devices running iOS version 5.0 or greater. You can also use your Google account information to setup a CalDAV account in OS X via the System
