Apple CEO Tim Cook is questioned by Judge Yvonne Gonzalez Rogers as he testifies on the stand during a weeks-long antitrust trial at federal court in Oakland, California, U.S. May 21, 2021 in this courtroom sketch. Cook on Friday told a court that threats to iPhone security and privacy required tight control of the App Store, which "Fortnite" game maker Epic Games says is a monopoly that Apple illegally abuses. REUTERS/Vicki Behringer