“Facebook depends on data about its users to target them with online ads and to make money. By urging Facebook to stop gathering that information, Mr. Cook was in effect telling Mr. Zuckerberg that his business was untenable. He ignored Mr. Cook’s advice. Two years later, Mr. Zuckerberg and Mr. Cook’s opposing positions have exploded into an all-out war.” NYT: Breaking Point: How Mark Zuckerberg and Tim Cook Became Foes. Fee Fi Fo Shizzle.