https://www.wired.com/1999/11/digiscent/ (Note the date.)
> The iSmell failed to get the interest of the public. When looking at what went wrong for the iSmell, it is revealed that the missing link was a market survey. According to Startupover’s Andrea Dusi, the iSmell “was definitely a nice idea, but not a useful one”. DigiScents has shut down due to a lack of funding, although it still “continues to license its technology and is looking for funding for a relaunch. [1]
I wonder if with virtual reality, something like this will pick up.