Why it worked
The video likely worked due to its visual appeal and the inherent curiosity surrounding new technology, even if it's speculative. The close-up shots of the iPhone and the user's interaction with the interface create a sense of engagement.
Summary
The video shows a person holding an iPhone and interacting with its screen. The phone displays various app icons and a clock widget. The person swipes and taps on the screen, seemingly navigating through the interface. The video also briefly shows the back of the phone.