Cortana v Siri v Google Now: The voice assistant showdown!

[iMore.com]

There's a new voice assistant in town, and it's called Cortana. With the release of the Windows Phone 8.1 developer preview today, Cortana is in public hands for the first time. It's new to the Windows Phone kids, but Cortana arrives to competition from not only Siri but also Google Now. So what's the best way to check it out? Why, with a head to head, of course!

• Cortana v Siri v Google Now: The voice assistant showdown!

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