Early product testing for Shirella's Hahahaha wallpaper yielded consistently negative responses.
[Image transcript] Panels 1 and 2: A man stands in a room covered in wallpaper that bears hahahahahahahaha as a repeated print. Panel 3: Shirella: 'How did you feel while you were in the room?' Man: 'Unsettled.' Shirella: 'Did you feel like laughing?' Man: 'No.' Shirella: 'Interesting.'