Mathematics at Google 
Look at the slide entitled Gmail (5), and compare the picture with the first graph on my blog post <a href="http://jeremykun.wordpress.com/2011/08/11/the-perceptron-and-all-the-things-it-cant-perceive/" rel="nofollow">http://jeremykun.wordpress.com/2011/08/11/the-perceptron-and...</a><p>It just goes to show, Google steals content without attribution just like everyone else.