C’mon, Google, don’t you know enough about everyone already?
It doesn’t bode well for competition, either. Still:
Once you're connected, we help secure your data through encryption.
That’s just for their wifi hotspots, though. They’re renting space on Sprint and T-Mobile for mobile comms. And that “help” is a bit weird.
Your data is secured through encryption when we connect you to open Wi-Fi hotspots. It's like your data has a private tunnel to drive through. (http://fi.google.com/about/network/)
They don’t say whether Google itself (and therefore the many and various authorities) can decrypt that data.