“The Internet and digital media have produced this ‘Peter Pan effect’ where we never grow up, we’re perpetual children, we never have to be responsible for anything — we keep this juvenile mentality,” she says.

Indeed, the Web has a clique for every would-be adolescent — class clowns, bullies, drama queens and fanboys. (There’s plenty of room for geeks and nerds, too.) They all get to indulge in their petty squabbles, and few of them show signs of growing up.