You know your best friends with someone when you send them a TikTok yesterday.

The video succeeds by tapping into a highly relatable, low-stakes social behavior that almost every active user of the platform has experienced.

The creator makes a joke about the shared experience of friends sending each other the same TikTok videos due to the platform's algorithm. He uses a screen recording of a messaging thread to illustrate the point.

TikTok (a) ACTS — the creator demonstrates the platform's algorithm by showing a shared video between friends. Removing it would change the video's premise as it relies on the platform's specific messaging and feed features.