The little search engine that couldn’t

 TheVerge, here. 

Microsoft’s Battle with AI Companies: Data Restrictions Loom Over Rival Search Engines

 BigTechWire, here. 

Dear Google: We Agree Search Competition Should Be "Only 1 Click Away" – So Why Is It 15+ on Android?

 DuckDuckGo, here. 

Do Tech Companies Really Need All That User Data?

W.Frick, here.

Bing Is Profitable

TechCrunch, here. 

Market Dominance and Quality of Search Results in the Search Engine Market

I. Lianos, E. Motchenkova, here. 

Search Engine Competition with Network Externalities

C.Argenton and J.Prüfer, here.