The Sound in feature can be found in the top right corner of the Home page. Each time you are on the Home page you will see the below question asking you "How are you feeling about work?". Your answers are anonymous.
The results screen will show your data points over the last week. The blue and green straight lines represent the averages for your department and company. When you click the Department or Company circles you will see the average data points overtime for your Department and Company. You also have the option to expand the results by clicking on the graph.
This dashboard can be very useful in getting quick results about satisfaction at work.