You can bookmark posts for up to 30 days to read later or revisit again.
On every post, you will see a 3 dot menu in the top right of the post.
Click on this to open the menu and press the 'Add to bookmarks' button to save to your bookmarks for 30 days.
To view all your saved bookmarks, click the "Bookmarks" button in the bottom left nav menu to open the pop-out bookmarks window.
You can remove a bookmark by clicking in the 3 dot menu next to a post in the bookmark pop-out and clicking 'Remove bookmark'.