Virtual personal assistants are ubiquitous across all three major smartphone platforms: iOS has Siri, Android has Google Now, and Windows Phone has Cortana. But while there’s some overlap, only Apple has all three now that the good folks in Redmond have ported their Windows-only service to both iPhone and Android.

cortana ask me anything

Cortana encourages you to “ask me anything”—but only when the app is open.

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