When things get tough, Cortana fails to offer Google Now and Siri a challenge

When we tested the three major mobile operating systems' respective virtual assistants – Google Now for Android, Siri for iOS and Cortana for Windows Phone – we found that while Microsoft's implementation was the most recent one, it was perfectly capable of offering its opponents a challenge. But what happens if you get real specific and ask some pretty tough questions? Two developers wanted to find out, so they created a random question generator with a library full of extremely hard questions, and their findings show that Cortana is seriously lacking when you want assistance with something less trivial than the weather.