« Cortana learns about its users—for example, by asking for information such as a favorite sports team, or by deducing the whereabouts of your workplace from your phone’s location data. And Heck’s effort to use data flowing through Cortana to continually improve it will likely be crucial to its future.
Siri, Google Now, and Cortana all return a list of suggestions when asked, “Find me cheap Japanese restaurants nearby.” But only Cortana responds when then asked, “How long will it take me to get to [restaurant name]?” or “Which ones are open now?” »
Source, By Tom Simonite on April 24, 2014.
Recovery for Antigon 