I live in England, so I take a lot of trains, and you can't really go anywhere without somebody talking on their mobile phone behind you, forcing you to listen to their conversation. With the Internet, with texting, with networking sites, there's already information everywhere.
Your reader is interested in a guileless, fresh, first-time-we-talked-about-it way. What a great liberation that is. And teenagers, if you respect them, will follow you a lot further than adults will, without fear of being a genre that they may not like or have been told not to like. They just want a story.
I got tired of books where the boy is a bit thick and the girl's very clever. Why does it have to such an opposition? Why can't they be like the girls and boys that I know personally, who are equally funny and equally cross? Who get things equally wrong and are equally brave? And make the same mistakes?