The long slow-boil dispute between Facebook and WhatsApp’s two founders over how to create more revenue out of the acquired app has led to an ugly breakup. WhatsApp founders Jan Koum and Brian Acton reportedly had constant disagreements with Facebook chief executive Mark Zuckerberg and chief operating officer Sheryl Sandberg, who were both eager for a greater return on the company they purchased for $22 billion in 2014. Facebook remained committed to its advertising model, and Koum and Acton were opposed to targeted ads. Continue reading WhatsApp and Facebook Execs Split Over Business Strategy