Digital assistants can be useful for performing a variety of tasks hands free, especially while in the car or while you have your hands full.
While still far from perfect, there are numerous ways that using voice commands can help you make full use of your phone or tablet.
Making use of standard commands that can otherwise be performed with regular touch input may seem like an inconvenience for some, but there are some hidden tricks buried within Siri for you to discover that are not accessible from any other apps.
The list above presents you with most practical applications for Siri.
Here's a more thorough list of things Siri manages to do well most of the time:
Making a call / Facetime