Mouse turns 45 years old

In the last post, posted those painted mouse, it is to celebrate the 45 years old of mouse.
For those who doesn't know, it was invented in 1962 by Douglas Engelbart.
Check out the first mouse:

I honestly prefer the mouse of the last post and the mouse from this post :)
http://ageekfamily.blogspot.com/2007/03/cebit.html


http://g1.globo.com/Noticias/0,,MUL12386-6174-134,00.html