Hmmm... back in around 1997 I rewrote the Synaptics TouchPad driver for Windows NT, and most of that code is still in the drivers today...
So I bet I win the number of copies still being used by nearly 20 year old code among the comments here... probably something between a quarter to half a billion of those laptops still in use...
So I bet I win the number of copies still being used by nearly 20 year old code among the comments here... probably something between a quarter to half a billion of those laptops still in use...