Product placement
Apple: it APPEARS as a watermark on the laptop, and removing it would not change what happens in the video.
Spotify: it APPEARS as a music player on the phone, and removing it would not change what happens in the video.
YouTube: it APPEARS as a platform on the phone, and removing it would not change what happens in the video.
Harry Potter and the Goblet of Fire: it ACTS as a book being read, and removing it would change what happens in the video.