The document discusses the evolution of internet usage in the U.S., highlighting that 74% of adults and 93% of teens are now online, with significant increases in broadband and mobile access since 2000. It emphasizes four lessons for leveraging new media among teens: creativity in content creation, promoting conversations, enhancing offline relationships, and utilizing semi-public spaces for discussion. The document also suggests several online resources for inspiration in eating, critical thinking, and staying active.