Tech giants have been partnering with up-and-coming A.I. start-ups, like Microsoft backing OpenAI, but Amazon has not been as active as rivals until now.
The SoftBank-owned company, which for decades has defined how mobile phones operate, is grappling with geopolitical and commercial complexities as it prepares to go public this week.
The government’s antitrust case against Google borrows heavily from the landmark lawsuit against Microsoft 25 years ago. But it lacks the same cultural impact.