EVERY MORNING, KIM Casipong strolls past barbed wire, 6 dogs, and a watchman in order to get to her job in a pink apartment building high above the slums in Lapu-Lapu City, Philippines. She is a pretty, milk-skinned, 17-year-old girl who loves the movie Frozen and whose favorite pastime is singing karaoke. She is on her way to do her part in bringing down Facebook.