Gigantt - When you estimate a task using free text you see a live preview of how the system is interpreting it.
/via Assaf Lavie
British Gas - iPhone app has a button to turn on the camera light when submitting a meter reading.
/via Jaik Dean
Facebook - The prompt text in the “Update Status” field constantly changes on refresh.
/via Ahmed El-Agha
Amazon - Wish List will notify you that someone may have purchased an item on your wish list if you click-through to the item’s page.
YouTube - Clicking on the “Report” icon on YouTube stops the video if it’s currently playing.
Pocket (iOS) - After copying a URL, opening the Pocket app will automatically prompt you to save the content.
/via Myles Tan
Google Chrome - When dragging the active tab it is always on top of the others, when dragging an inactive tab it moves behind the active one.
/via Blake Simpson
Sugru - Lets you look at the most recent issue of their newsletter before actually signing up for it.
Google+ - When posting a link to Google Plus, it replaces the URL with the title of the page the URL points to.
/via Wouter van Vliet
Google Maps iOS - Shaking the device allows the user to submit feedback.