A system and method is provided to enable a user to quickly identify related items in a list environment. A relationship icon is used to identify the presence of related items, such as email messages, occurring before and after a selected item. The relationship icon is used to navigate between the related...http://www.google.ca/patents/US20050144568?utm_source=gb-gplus-sharePatent US20050144568 - Method and apparatus for indicating and navigating related items
