When Fingers Do the Flirting

It wasn't so long ago when a boy who liked a girl had two choices. He could bowl up to her at school and try to talk with her, eventually asking her out. Or he could attempt the even more daring move of calling her at home. This carried the dual risks of speaking to one of her parents and, worse, when he identified himself to the girl, hearing a confused and faintly irritated, "Who?"

That's not how it works now. In the cities of Australia, a typical scenario sees a group of teenage boys approach...