Ford Motor Co. had what it thought was a winning pitch for its Escape hybrid vehicle _ a Super Bowl commercial featuring Kermit the Frog crooning: "It's not easy being green." After the 2006 game, thousands of consumers predictably typed terms like "Kermit ad" and "Kermit car" into search engines to learn more about the enviro-friendly cars. What they found were "sponsored links" from frog-poaching rival General Motors Corp. directing traffic to Web sites for its own hybrid cars. The controversial tactic _ known as ad drafting _ shows GM knows how to play the search game. But most Super Bowl advertisers did not take the initiative to buy keywords related to their Super Bowl commercials, according to Reprise Media, a New York search-marketing firm that puts out an annual scorecard after the big game....