Google's search dominance challenged as Microsoft courts Apple deal

Google maintains over 90% market share in smartphone search despite Microsoft's efforts to promote Bing.
Microsoft offered significant revenue sharing to make Bing default browser on Apple and Android phones.
Apple leveraged possibility of Microsoft deal to negotiate billions more annually from Google.
DOJ antitrust lawsuit alleges Google uses deals to block competition and undermine search innovation.
No finalized deal between Apple and Microsoft materialized despite exploratory talks this decade.