Can Tim Cook sell you a new iPhone based on Apple's new AI features? It's a huge question for the company.

• Apple's iPhones are so good it's a problem for Apple because people don't need to buy replacements.
• But the new AI features Apple showed off at WWDC will only work on Apple's newest phones and devices.
• So here's the key question: Are the new AI features enough to get you to buy a new iPhone?

What if your iPhone could scan, and understand, your emails and your texts and your calendar? So you could ask it when you're supposed to pick up your mom from the airport and where you're supposed to go to lunch afterward without looking through all of that stuff yourself?