In lawsuit, 'Fortnite' maker to test idea of iPhone as market unto itself - Reuters

'Fortnite' maker Epic Games has launched the most significant effort yet to advance the legal theory that Apple's iPhone ecosystem has become so "sticky" that it is a distinct software market over which Apple exercises monopoly power. https://www.reuters.com/article/us-apple-epic-games-lawsuit-analysis-idUSKCN25B02M