The bell became part of YouTube culture as creators began ending videos with a spoken reminder to subscribe and enable notifications, so the platform alert would not be missed by the algorithm driven feed. Editors started isolating the clean ding and dropping it into templates for intros, outros and short form re edits. The misspelled name campana, Spanish for bell, reflects how widely the clip is shared outside English speaking communities. It remains popular because one short chime communicates a complete instruction without extra narration.