alex kendall is the wave cofounder and joins us now for the u.k..so interesting about wave is no focus on the hardware. no focus on the car is just the foundation model, the robotic brain that helps a car learn how to drive itself. let's start by asking why you felt you need to bring the testing to california to the streets of san francisco. >> we are excited to bring a fresh product approach to the u.s. market. i think in general being able to operate in ai at such a diverse market is good to be awesome for us. the need about this approach is it can allow all ranges of automation from driver assistance up to full autonomy different types of vehicles in different driving environments and different cultures. we are now training -- trading with data from over 15 countries but to have a testing fleet on the ground and show that in ai can generalize and drive in a new environment like the u.s. in california. this is a really exciting moment for our business. >> juergen a start with basically level two functionality so you don't need a dmv permit but wha