Google (GOOG) is overhauling the way it treats user data, linking information across its array...

|By:, SA News Editor

Google (GOOG) is overhauling the way it treats user data, linking information across its array of email, video and social-networking services so that information gathered in one place can be used in another. The changes could bring the ire of privacy critics because of the sheer volume of information collected — including your location, list of contacts and email contents.