Facebook : Meets Apple in Clash of the Tech Titans -- 'We Need to Inflict Pain'

Facebook Inc. Chief Executive Mark Zuckerberg has groused for years that Apple Inc. and its leader, Tim Cook, have too much sway over the social-media giant's business. In 2018, his anger boiled over. Facebook was embroiled in controversy over its data-collection practices. Mr. Cook piled on i n a national...