Microsoft’s digital assistant, Cortana, is one of the most impressive of its kind, outperforming its competition on an iPhone and a Moto X even in its early preview state. In fact, the early buzz surrounding Cortana has forced Microsoft to consider whether or not it would be worth-bringing Cortana to more platforms in the future. “It’s a bit of a head-scratcher for us right now,”-said-Marcus Ash, a group program manager for Windows Phone, at the SMX Advanced conference in Seattle on Thursday. “It’s interesting to think about the future of these assistants and whether they become a reason to buy into the ecosystem. That is the other tension we have.” With Cortana eventually making its way to Windows PCs, Android



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