This is an interesting article posted today on CNET. http://news.com.com/Google+rises+at+Yahoos+expense/2100-1038_3-6178164.html?tag=nefd.top
Good read, my favorite part would have to be "Google has a racecar. Yahoo has a Honda..." Wonder how many years of this it's going to take before Google buys Yahoo...lol...that would be interesting