I found this critique of those fairly convincing. http://www.templetons.com/brad/robocars/v2vdata.html http://www.templetons.com/brad/robocars/v2vdata.html Pi

I found this critique of those fairly convincing. http://www.templetons.com/brad/robocars/v2vdata.html http://www.templetons.com/brad/robocars/v2vdata.html Pithily, "It can never be that useful because if it's being really useful, something is very wrong."