Which of these everyday products was originally invented as a wallpaper cleaner before finding its true purpose?

Test your knowledge about the fascinating origin stories behind everyday products! Many revolutionary innovations came from unexpected sources, pivotal moments of discovery, or were designed to solve entirely different problems than what they're known for today. This poll explores the surprising development history of a common product that transformed our daily lives.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Play-Doh (originally a pliable substance meant to remove soot and dirt from wallpaper)
Post-it Notes (originally an adhesive designed to clean wall surfaces before being repurposed)
WD-40 (originally formulated to clean and restore vintage wallpapers in historical buildings)
Bubble Wrap (originally designed as textured wall covering before being repurposed for packaging)