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Insider unveils part features of WP8.1 speech assistant, Cotana, which is smarter and than the Siri and Moto X speech solution.
Cotana supports real-time speech, which means that you can use speech assistant when screen light off. Second, the Cotana is able to encrypt or unlock by user’ speech. Third, the Cotana which can be called in third-party app is opener than Siri. Microsoft reportedly is testing on the Cotana, which gonna go to developers around Christmas this year.