All the adolescent staples - music, movies, clothes, books - are available with a mouse click or smartphone swipe.
Nearly three-quarters of millennials, ages 18 to 34, would rather shop online than in stores, according to a December survey by Zipcar, the hourly car-rental company. Given the choice of losing their phone or computer or their car, 65 percent would go without their car.
"This is the Xbox generation," said Scott Griffith, Zipcar's former chief executive. "They manage their social lives as easily on the information highway as we did on the paved highway."