In the ad, Cortana notices that Siri is now in the iPhone 6. She asks Siri if she can perform new functions. Siri replies, "No, I got bigger".
Maybe what you need isn’t a bigger phone, but a more personal, personal assistant. Cortana, on the Lumia 830, does more than Siri. Like alert you to leave early for an appointment using traffic alerts. Cortana can even remind you of things based on who calls or texts. Ready to meet your new personal assistant?
Take a look below! You may also want to check out Microsoft's recent ad pitting the MacBook Air against the Surface Pro 3.