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"Yesterday, Microsoft announced their answer to Apple Siri and Google Now - Cortana.Cortana is a virtual assistant for your Windows devices that is smart and witty and can answer your questions or give you predictive results.  Here is a promo video from Microsoft on Cortana:On Bing Search Blog Mike Calcagone posted a detailed explanation of what it does.    The quickest way to describe it is Apple Siri and Google Now like features.  But if you want more detail, check out the Bing blog.Most technology companies are thinking this is the future and this is why Apple bought Siri, Google developed Google Now (much through acquisitions), Microsoft launched Cortana and Yahoo has acquired a lot of contextual and predictive search companies.Forum discussion at Twitter."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/bing-cortana-18351.html>