3 links have been added on this idea.
  1. Digital smells can have so many other applications, including making your home or car smell nice.
    https://sloanreview.mit.edu/article/business-scents-the-rise-of-digital-olfaction/

  2. At this rate, we’re only a few years away from a wearable digital perfume!
    https://www.dezeen.com/2021/04/08/look-labs-digital-fragrance-nft/