Fewer companies pre-release Super Bowl ads
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Reversing a recent trend of pre-releasing Super Bowl commercials on YouTube, Facebook, Twitter and Tumblr, many advertisers have held back their spots this year.
Companies now want to maximize their ads' impact instead of frittering it away in the days leading up to the game, observers say.
"There has been a huge debate over whether to release the full ad before the game [because] you...