Related Links was a tool to help webmasters increase page views. Given your site’s page, Related Links could choose the most related pages from within your site and display them in a gadget. You could embed this in your webpage to help visitors reach other pages easily. Related Links also suggested searches that users could run within your site to find more related pages.
It’s sad to see it go. If you are currently using it, check-out these details:
Good-bye Related Links.
It’s been fun.
[via Google Related Links]