iCal - Shows birthdays from Address Book with the person’s name and age.
/via Clemens Mayer
YouTube - When viewing a music video, it tells you where and when that artist is playing next in your area.
Basecamp - when deleting an item, the ‘cancel’ link appears in the same position as the ‘delete’ link.
/via Leonhard Harle
Google Docs - Lets you choose your table layout in a very visual way.