Be honest, how often have you used Siri?
That one time to annoy her by asking what zero divided by zero was? Or when you accidentally hit a button that made her appear and you thought it best to ask her something rather than upset her?
In truth, it's weird talking to a phone when there's nobody really there - we're still not used to conversing with robots.
But with iOS 9, Siri has evolved from an automated Q&A service to an all-powerful, predictive assistant.
Here are five things Siri can now do that you're going to find really useful.
Still recording all your vital statistics in imperial units? You old traditionalist you.
But should modern life ever attempt to drag you kicking and screaming into the metric system, you can convert units simply by asking Siri. Which won't make you any lighter, but it'll save Googling it.
The same process can also be used to convert currency as well, which is neat.
You were drunk, you were digging through that food app for the perfect recipe for cheese on toast, and you fell asleep - totally forgetting that amazing cheese-related dish you stumbled across.
Fear not - ask Siri for "cheese recipes" or pump "cheese" into its search bar and boom - app content will be pulled in from around your phone.
Sport and weather info
Two features that Siri and Apple's Spotlight system have supplied info on for a while - but the new iOS 9 is more intuitive.
Enter the name of a sports team ("Manchester United") and Siri will bring up all relevant information, including recent or current scorelines.
Weather information has also been improved, now providing hourly forecasts rather than daily overviews.
Photo date search
Remember that trip you took to France last August? The one where you managed to get that brilliant photo of the French person doing the French thing?
Siri can now search through content like photos via date or location. Ask "Show me photos from France/August" and it'll bring up all relevant material (so long as you turned photo location data on).
You've had an important (/annoying) email that needs following up (or your boss will be livid).
Rather than fumbling about with a calendar reminder, you can call up Siri and ask it to "Remind me about this".
Siri will then set a reminder, and poke you with its icy finger when you've forgotten all about it.
This also works for long articles you might have found interesting but want to read at a later point. Just say "Remind me about this", and Siri will give you a nudge.