"As soon as we became aware of this problem, we grounded our Street View cars and segregated the data on our network, which we then disconnected to make it inaccessible. We want to delete this data as soon as possible, and are currently reaching out to regulators in the relevant countries about how to quickly dispose of it."
—
Official Google Blog: WiFi data collection: An update
This just made me laugh, I’m certain Google is just checking if there’s any legal reason preventing them from deleting this data, but the paragraph makes it sound like they have some hazardous materials that can’t be sent to the dump, so they need regulators to provide advice on how to get rid of it.
