1. Google pays Apple $20 billion for search placement on iPhones, facing antitrust challenges. 2. The U.S. court ruled Google has a monopoly, jeopardizing its agreements with Apple. 3. Apple's brief indicates increased competition affecting Google’s search dominance. 4. Proposed remedies could eliminate Google's payment to Apple, impacting revenues. 5. Apple advocates sharing Google's search data with AI competitors to bolster competition.