You can buy cars today that can almost drive by itself. Adaptive cruise control. Automated parking. Lane assist. Automatic braking to avoid accidents. BMW has demonstrated a driverless racing lap on Top Gear before can be seen in the link I posted in another comment.
I was downvoted for asking what this Google car did that other companies haven't already demonstrated. No answer though.
I was downvoted for asking what this Google car did that other companies haven't already demonstrated. No answer though.