Evernote Web Clipper - if the extension is already installed in the browser, button will be automatically converted to gray and will be disabled
/via Art Revolt
Facebook - Hovering over the inbox message scrollbar increases the target size of the scroll bar.
/via Adam Pugsley
Sugru - Lets you look at the most recent issue of their newsletter before actually signing up for it.
iOS 6 - Keyboard detects specifics of language and displays correct diacritics depending on the part of a word.
GitHub - The cat illustration on the status page changes expression based on how the site is operating.
Twitter - If you follow a “Tweet” link when not signed in, the Twitter dialog window allows you to sign in & Tweet in one action.
/via Rich Dooley
Google maps - The android application ad in the left panel displays the map that you are currently viewing.
/via Ahmed H. Alley