According to Wired, Google is going on the defensive and claims that unsecured WiFi networks are akin to radio communications. Anyone can grab a radio signal out there, and Google believes grabbing onto an open network is similar. Google has also stated that it was initially unaware of the data being snatched up by its roving fleet.
The implications from this case could prove very interesting for both Google and anyone using an unsecured WiFi network. We'll bring you updates as the story develops, and we'll be sure to change the password on the Autoblog router. (ProTip: Don't go with #12345, even if it matches the combination on your luggage).