One of my favorite writeups on this topic is Gustavo Duarte's "What Your Computer Does While You Wait" http://duartes.org/gustavo/blog/post/what-your-computer-

One of my favorite writeups on this topic is Gustavo Duarte's "What Your Computer Does While You Wait" http://duartes.org/gustavo/blog/post/what-your-computer-does-while-you-wait http://duartes.org/gustavo/blog/post/what-your-computer-does...