It appears that Cortana can help you make a quick decision on the go thanks to an update on Microsoft's side that brings with it the ability to flip a virtual coin or roll the virtual dice. You can now command Cortana to "flip a coin," "roll a die," or "roll the dice" with your voice. So the next time you're having a hard time deciding between pizza or burgers for lunch, you can settle the dispute with Cortana and have her flip a coin.
Full story from the WPCentral blog...