How often do you use your phone's personal assistant (Google Now, Siri, Cortana)?

Want to know the score of last night's game? Easy. The weather forecast? Elementary. What about a detailed nutritional break-down of that fat pizza you're about to munch on? They'll give you a good estimation of what you can expect to have to burn on the treadmill. The list of examples goes on and on.
A bunch of you are likely already making good use of Google Now, Siri, or Cortana, but we'd like to see some real hard numbers. So, let us know – do you use your device's personal assistant, and how often?
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