The story
Coined in reference to the video game sense of the word checkpoint.
Etymology from Wiktionary, CC BY-SA 4.0.
internet checkpoint
Today it means: An often nostalgic YouTube video featuring calming music or visuals that became a virtual gathering spot where users pause their online activity to share personal life updates, struggles, and reflections in the comments, creating a wholesome, anonymous diary for self-reflection and connecting with others; considered a "safe space" or metaphorical system restore point. Full definition →