I can already ask my friends if I want information that they may have. More over, there are at least a dozen ways I can do so in a medium that's not littered with daily horoscopes, stupid quizzes, Farm Mafia Mob Zombie Fish Wars, and photos of pets from people I barely knew in high school. Search engines are for things my friends don't know, or for those times when I don't want to <i>bother</i> those friends, because I know they're busy with more important things to do than sit on Facebook all day long.