Microsoft has a new TV commercial for its Windows Phone 8.1 Cortana assistant in which it’s taking new shots at one of its biggest competitors, Apple’s voice-based assistant Siri. The new ad, titled “Happy Anniversary,” shows a smartphone user issuing certain commands to an iPhone 5s (Siri) and a Lumia 635 (Cortana), with only the latter able to recognize them and deliver appropriate responses.
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