3 links have been added on this idea.
  1. It’s a cool idea. Scientists are actually researching electric taste simulation for use in virtual reality gaming.

  2. What an amazing idea with lots of potential! It can help many salt lovers worldwide.
    https://www.standard.co.uk/lifestyle/london-life/this-electric-fork-could-help-you-cut-down-on-salt-by-zapping-your-tongue-a3225306.html