It looks like it even transmits mouse move events on the canvas via ajax to the server. Too bad we don't know the calculations over there. I used a Thinkpad tr

It looks like it even transmits mouse move events on the canvas via ajax to the server. Too bad we don't know the calculations over there. I used a Thinkpad tracking point which is extremely accurate and fast (Lenovo will hopefully not remove them from the next ThinkPad after the T431 :-( ), yet the page guessed I was 10.