Twitter, Facebook, Gmail, and all the big guns are using the fuzzy date/time of type 「3 minutes ago」, 「10 days ago」 etc.
Timeago plugin allows you to use the same format on your WordPress blogs using timeago jQuery plugin. Auto-updating/live 「timeago」 with microformats!
For more information: http://wpsplash.com/wordpress-timeago-fuzzy-dates-plugin/
