Make me a Cocktail - If you click on the search button with nothing in the search box, it types out a random cocktail for you to try.
/via Nick Wilkins
iCal - Shows birthdays from Address Book with the person’s name and age.
/via Clemens Mayer
iOS - autocomplete text has the same typeface and style as the underlying text field
/via Idan Gazit
Chrome - The developer tools ‘dock to main window’ icon changes based on your preferences of bottom or right docking position.
/Via Ahmed El Gabri
YouTube - When viewing a music video, it tells you where and when that artist is playing next in your area.
Steam - After purchasing a game from the webstore or mobile app, it allows you to remotely install the game to the computer that you are logged into Steam with.
Basecamp - when deleting an item, the ‘cancel’ link appears in the same position as the ‘delete’ link.
/via Leonhard Harle
YouTube - An old-school TV static animation is shown whenever a video is unavailable.
Foursquare iOS app - if you drag your uploaded photo to the left, you see a hidden mascot holding a camera.