Comment Re:Pre-School? (Score 3, Informative) 126
Why should the trackball faze her any more than any other object in the house. They are all new items as far as she is concerned. Whether they were invented 1 month ago or a 1000 years ago are irrelevant. Everything is new. She'd just learn using a trackball just like learning to use a cup or even walk.
I like to think of the brain as a sponge and knowledge to be water. In kids it's like a dry sponge it has plenty of space and will absorb things quickly. We on the other hand have quite a lot of our spongie brain filled already for better or for worse.
My nephew who is also 4 years old navigates youtube for his cartoon fix. And knows how to start any installed games. He also knows how navigate to flash game sites from history and knows not to click on ads