Targeted. Consumers went for more targeted search terms in 2012, according to Experian Marketing Services. The list of top U.S. search terms in 2012 began with "Facebook" for the fourth year in a row. The report evaluates online activities on more than 60 search engines and Web sites from January through November 2012, excluding mobile traffic. YouTube-related terms accounted for 1.67%, representing a 23% increase compared with 2011. Google terms, including YouTube, accounted for 1.91% -- up 20% compared with 2011. Yahoo terms accounted for 0.79%, up 34% compared with 2011.