Why tween girls aren’t playing your games

Just the mention of the word “tween” conjures up images of Bratz-toting, Twilight-reading, Justin Bieber-loving fans. But when you strip away the generalizations, a surprising reality emerges: this demographic controls nearly $50 billion in spending power — and they’re powerful brand advocates (just look at what they’ve done for stars like Miley Cyrus and Katy Perry).