WPBookmark is a wordpress plugin that allows users to bookmark posts/pages.
you can selectively disable bookmarking feature on certain pages/posts.
Major new features in wpbookmark include:
Pro Version includes some extra features and allows customization. Features include:
1. Bookmark button position can be adjusted.
2. Button color can be adjusted.
3. Admin can monitor which pages/posts were bookmarked the most from admin dashboard.
4. Admin can easily notify group of users who liked/bookmarked a post/page through email.
5. Emailing can be queued to be delivered on a later time.