kgb 542542 (http://542542.com/sherlock) America's favorite text answer service, has teamed up with Warner Bros. Pictures for a major cross-promotion with the studio's much-anticipated action adventure mystery "Sherlock Holmes". Opening nationwide December 25, the film stars Robert Downey Jr. and Jude Law. The multi-platform promotion program will include television advertising, an online contest, national radio and in-theatre promotions, and a mobile text promotion that will enable consumers to text the keyword SHERLOCK to 542542 (kgbkgb) to get fun "insider" facts about the movie and its characters at no charge (though standard cell phone messaging rates may apply). "Warner Bros.