Ideally, it's supposed to help you out. You can ask it to send text messages, give you reminders when you are supposed to do things, locate restaurants in the area, etc.
Just for fun, I said to Siri, "I want a blowjob." She dutifully said, "I'm working on it..." then gave me the names and addresses of two escort agencies. Neither one was close, and I know there are others closer, but it's a start.
