Wunderlist - This to-do list app teaches you basic keyboard shortcuts with pre-installed tasks.
OS X Lion - When moving multiple files in Mac OS X Lion, an iOS-like bubble shows the number of files being dragged.
/via Hugo Ahlberg
Mac OS X Lion - Hold down the character key on your keyboard for a popup menu of the accented variants of said character. Use keyboard numbers for quick selection.
/via Jan van der Asdonk
Apple ID - Items on the password “must have” list are checked off as you enter your new password.
/via Stephen Lewis
Pages - Automatically adds smaller heading styles once you’ve used the smallest displayed style (e.g. “heading 3” only appears after you have used “heading 2” in your document).
Mail - When you receive an shipment email in your Apple Mail, right click on the tracking number to track its location.
OS X - When you search specific file type, the search input adds a “kind” drop down.
Lion Safari - The scrollbar changes the color depending of the background of the current website. (dark or light)