Purple Power is the multi-purpose cleaner to end all multi-purpose cleaners, or at least that's what we get from this in-your-face advertisement. No need to tout its chemical ingredients or show photos demonstrating exactly what it cleans. All we need to know is what's on that sign. Now THAT's how you sell a product. (Via Digg)
Calling all HuffPost superfans!
Sign up for membership to become a founding member and help shape HuffPost's next chapter