The video shows a series of smartphones arranged in a row, each representing a different year from 2009 to 2018. The phones are turned on, and the camera pans across them, highlighting the changes in design and interface over the years. The video also shows a person's hand interacting with the phones, swiping and tapping on the screens to demonstrate the differences in responsiveness and functionality. The phones are of various sizes and shapes, reflecting the evolution of smartphone design. The video is shot in a well-lit room, and the focus is on the phones and the person's hand.