Microsoft reveals Windows Phone 8.1 with Siri-like ‘Cortana’ personal assistant

Software behemoth Microsoft on Wednesday showed off the latest update to its Windows Phone mobile operating system, refining several areas and officially unveiling Cortana, Microsoft’s answer to Apple’s Siri. Cortana is the update’s tentpole feature, bringing Windows Phone users the ability to schedule meetings, send text messages, and search the web using their voice. The…