Apparently Tesla is the furthest ahead in terms of having a sellable product. Google however, no matter how fancy their technology maybe, they don't have a wind

Apparently Tesla is the furthest ahead in terms of having a sellable product. Google however, no matter how fancy their technology maybe, they don't have a window to demonstrate yet and need to rely on existing auto manufacturers, which is developing their own arms of self-driving rapidly and they have vast advantage as to collect data.