A pple just held a keynote at San Fransico ahead of World Wide Developers Conference (WWDC) and announced many new features which you'll be getting soon on your Apple products. Between these announcements, one of the major announcement was that the world's most famous voice-assistant Siri is now coming to Mac operating system. Or you could say Apple launched new MacOS with Siri built-in.They also announced that they would be opening up Siri on its iOS mobile operating system to third-party apps. That means now Siri can give control different apps on your command. What does that mean That means now you can book a cab with Siri, or you can tell Siri to send a message to your friend via WhatsApp and Siri will open up the WhatsApp and send the message to your friend on your command. How cool is that!Let's see, what else can this all new makeover to Siri do for you.Recommended Story 15 Hilarious moments when Siri totally nailed it.