Depended on how desperate I was for the info. If it was trivia, like where have I seen that actor before, I'd usually have to let the thought go unless the answer suddenly came to me a couple of hours later. For general info I'd ask my mom, husband, children, or friends. Dictionary and encyclopedias helped, too. Like now, I was a frequent library patron, and often went there for answers.
Same question - where did all of you go to look up info before the Internet?