On a typical modern day __1__, where every building and most outdoor common areas offer wireless internet __2__, one student takes her laptop everywhere. In class, she takes __3__ with it, sometimes instant-messaging or e-mailing friends if the professor is __4__. In her __5__, she instant messages her roommate sitting just a few feet away. She's tied to her smartphone, which she even uses to __6__ a friend who lives one floor above her, and which __7__ music for walks between classes.