Is your Mac listening?
If you have an iPhone you already love what Siri can do for you. Now you can experience the same with your Mac. If you are using Mac OS Sierra as your operating system than you can use Siri on your Mac.
By either pressing and holding the Command and Space or clicking the icon on your Dock or Menu Bar, you can bring up Siri. This version of Siri is really a more powerful version than you are used to as Siri on macOS Sierra can toggle system functions like Wi-Fi or Bluetooth or even pull up individuals files stored on your system based on what you tell Siri about the file.
Siri can even launch or close apps for you as well as store the results of your queries inside the Notifications area of the OS for later use.
So make life easier and start using Siri on your Mac.