Despite data sharing scandals and its CEO having to face US Congress in April 2018, days before its 15th anniversary Facebook revealed that it has seen monthly active users increase to 2.32 billion worldwide. Not only that but the social media giant saw its revenues hit $55.8 billion (£42.7bn) in 2018, up a mighty 37% on 2017. We take a look at the timeline of one of the biggest tech success story of recent times.