# Hot Topic

- [Pixel issue](/facebook-multiple-pixel/hot-topic/pixel-issue.md)
- [Meta Pixel Helper Event Display Limitation](/facebook-multiple-pixel/hot-topic/pixel-issue/meta-pixel-helper-event-display-limitation.md)
- [The importance of Conversion API](/facebook-multiple-pixel/hot-topic/pixel-issue/the-importance-of-conversion-api.md)
- [Unable to get Access Token](/facebook-multiple-pixel/hot-topic/pixel-issue/unable-to-get-access-token.md)
