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Given a passage and a query based on the passage, generate an unambiguous, concise and simple answer to the query from information in the passage. Note that the answer may not be present in exact form.

Based on a 26th-century artificially intelligent character in the Halo video game series, Cortana will debut as part of Windows Phone 8.1, the next big update for Microsoft's mobile operating system. With all of that work ahead, it makes sense that the Cortana team will want to have a regular update schedule, and much like the Xbox Music app, it looks to be bi-monthly. In an interview over at Engadget with the Cortana team, updates to the Cortana system will evidently happen twice a month with the possibility for off-cycle updates "for things that are timely, urgent or especially badass. Ask Cortana anything: Snarky answers to 59 burning questions If nothing else, Windows 10's Cortana digital assistant proves she's more fun than Siri and Google Now put together. Cortana has learned three languages in the latest Windows 10 update, which is available today for Insider members in the program's Fast ring. Cortana now suppor... Cortana has learned three languages in the latest Windows 10 update, which is available today for Insider members in the program's Fast ring. Cortana now supports Spanish (Mexico), Portuguese (Brazil) and French (Canada) languages, each with its own specialized flair. Cortana to be updated at least twice a month. Jun 5, 2014 Hot! Microsoft's virtual assistant, Cortana, is on what might be the company's fastest update cycle. In a recent deep dive into the platform, Microsoft said that they will update Cortana twice a month and during special occasions, it could be updated more frequently than that. Ultimate List of Funny Cortana Replies Cortana might have been in works for a couple of years too long, but she has her sense of humor intact. Ever since Microsoft released the developer preview of Windows Phone 8.1, we've been stressing her out with our stupid questions, in a hope that Cortana slips up sometime. But according to Larry Heck, a researcher who contributed to the artificial intelligence underpinning Cortana, first impressions will quickly become outdated. Teach me: Microsoft says that its virtual assistant app, Cortana, will quickly get smarter thanks to analysis of data generated as people interact with it. That's because Microsoft has designed Cortana to get significantly smarter as people use it. Heck claims that Microsoft's commitment to that approach will allow its virtual assistant, currently described as a beta product, to come closer than competitors like Siri or Google Now to delivering the experience of interacting with a real person. You can't turn off Cortana in the Windows 10 Anniversary Update...but you can lessen her awareness. When John and Cortana crashed on Requiem, she initially tried to hide it from him, Cortana was becoming rampant as it has been eight years since she came into existence. She believed, however, that it may have been possible for Doctor Halsey to repair her due to the way she was created. Cortana plays a vital role to the long-term success of Windows Phone. The fledgling mobile operating system by Microsoft still lags far behind Google's Android and Apple's iOS software. Query: how long have cortana being updated?
Output:
Cortana to be updated at least twice a month.