Perhaps you've heard of online search and online ad revenue giant, Google? Yes, so has everybody else, which is why Google continues to dominate the online search business. Check out this interesting article from the Wall Street Journal today about Google's attempt to break into radio spots, as Google continues to try to diversify it's ad revenue base. Although not seemingly successful this time, the media ad market is changing so much these days, given the changes in regular print media advertising, that Google will probably continue to be the online ad revenue giant, and the one to watch. Especially as it may partner with more traditional print media as they finally adapt to the new online age.