> For the complete documentation index, see [llms.txt](https://tailieu.smax.bot/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tailieu.smax.bot/7.-thong-tin-khac.md).

# 7. Thông Tin Khác

- [Chính sách Facebook Messenger năm 2020](https://tailieu.smax.bot/7.-thong-tin-khac/chinh-sach-facebook-messenger-nam-2020.md): Facebook Messenger thay đổi những gì?