https://www.siliconvalley.com/2021/05/02/apples-app-store-goes-on-trial-in-threat-to-walled-garden/

By Michael Liedtke | Associated Press

SAN RAMON. — On Monday, Apple faces one of its most serious legal threats in recent years: A trial that threatens to upend its iron control over its app store, which brings in billions of dollars each year while feeding more than 1.6 billion iPhones, iPads, and other devices.