Why it matters: Cortana AI is Microsoft’s retired voice assistant. See its 2014 to 2024 timeline, why Copilot replaced it, and how to migrate every Cortana workflow.
Why it matters: Siri vs Alexa vs Cortana in 2026: Cortana is retired, Alexa+ costs $19.99 (free for Prime), Siri wins on privacy. See which one wins your home.