Taylor Swift is powerful enough to sway Apple, but not everyone is singing her praises.
If you want to set the Internet on fire, just sprinkle some Taylor Swift into a headline, add the word "Apple" and stir in some tension. That's what happened at the beginning of this week, as the world's biggest pop star went up against the world's biggest technology company and somehow swayed the giant into changing course on its plan to run a three-month free trial of Apple Music without paying artists.