Google celebrates 25th anniversary of Tetris June 6, 2009 12:07 AM Dean Takahashi 0 Successful CMOs achieve growth by leveraging technology. Join us for GrowthBeat Summit on June 1-2 in Boston, where we'll discuss how to merge creativity with technology to drive growth. Space is limited. Request your personal invitation here! Google celebrated the 25th anniversary of Tetris today with this illustration on the Google home page. Check out our own interview with the two men who turned the video game into one of the biggest game classics of all time with 125 million units sold. VentureBeat’s VB Insight team is studying marketing analytics... Chime in here, and we’ll share the results.