75% of adults who do use instant messages still communicate with e-mail more often. 75% of teens send instant messages more than e-mail, AP-AOL poll reveals. More than 50% of the teens who use instant messages send more than 25 a day, and one in five send more than 100. 75% of adult users send fewer than 25 instant messages a day. Teen users (30%) are almost twice as likely as adults (17%) to say they can’t imagine life without instant messaging.