https://www.reuters.com/article/us-apple-epic-games/epic-games-ceo-cites-apples-total-control-over-iphones-at-first-day-of-antitrust-trial-idUSKBN2CK237

The chief executive of "Fortnite" creator Epic Games testified on Monday that he knew he was breaking Apple Inc's App Store rules by putting Epic's own in-app payment system into the game last year but wanted to highlight Apple's sway over the world's iPhone users, which now total 1 billion.