: The reference to 2021 and 2025 suggests that there might be a sequence or a series of content being produced, with "2025" possibly indicating a future setting, a predicted timeline for events, or simply part of the title's narrative hook.
Here is why, along with what appears to be happening:
Search these on YouTube – they are free, legal, and high quality:
Modern files are compressed to look "better" than older 2021 versions while using less data. Why "2025" and "2021" Are Searched Together