Niall Kennedy has posted about a killer trick that uses the built-in visited link capabilities of the web browser to only show social bookmarking links to relevant sites, sites the user has visited in recent memory.

I love clever hacks based on super simple principles.. File in the "smack forehead, why didn't I think of that category!" Genius!

Read the post here: http://www.niallkennedy.com/blog/2008/02/browser-history-sniff.html