For questions about the bookmark feature (previously called favorite questions).
Below is information related to the original version called bookmarks (and favorites before that).
Favorite questions are marked by clicking the star below the question's score. It is searchable by using the
infavorites:<user> query (where
<user> could be
mine to search your personal set of favorites). Favorite questions of any user are displayed in their profile in the favorites tab.
For more details see: