ReadWriteWeb

Google has made a tradition of tweaking its logotype in honor of holidays, special events, and celebrations. And that tweaking has resulted in a library of interesting interpretations of "Google." Now, they're giving school age children the chance to participate in the fun and win some cash with the "Doodle 4 Google" contest. What are they up against? Let's take a look back at 30 of our favorite Google Doodles over the years.