User data across more than 60 of Google's services is now integrated, including Search, Gmail, Google Docs, Google Calendar, YouTube, and Google+. The company claims the benefits of this change include:
Increased clarity in privacy policies through consolidation of product-specific privacy policies for each service
Ability to do "cool things" like "provide reminders that you're going to be late for a meeting based on your location, your calendar and an understanding of what the traffic is like that day."
Perhaps, but Google's refusal to let customers opt out makes the user-focused spin questionable.