Good video. Explains the history of cryptocurrency and why there was a need for bitcoin. Bitcoin has no central authority is more like owned by its users and no single individual or organization owns it. The software is completely open source and anyone can fork the project, submit patches, new features and bug reports.
If you want to know more, better start with official faq: https://bitcoin.org/en/faq
If you want to get into mining and starting making money then start with these:
EDIT: Two more: