Microsoft did something similar with the beta of Office 2010 - they put a happy face and a sad face in the system tray with a pop-up menu with 4-5 expected prob

Microsoft did something similar with the beta of Office 2010 - they put a happy face and a sad face in the system tray with a pop-up menu with 4-5 expected problems/praises and 'other' as the last option. At first I got really surprised and thought it was some virus disguising as 'free' smileys.