Personal Scent Synthesizer developed by DigiScents Inc. was a small device that can be connected to a computer through a USB port and powered using any ordinary electrical outlet.
[1] In 2006, PC World Magazine commented that "[f]ew products literally stink, but this one did—or at least it would have, had it progressed beyond the prototype stage.
"[2] In 1999, Joel Lloyd Bellenson and Dexter Smith, on vacation in Miami, began to think about how to store and reproduce the smells that they had experienced on the beach.
Their idea was considered to be somewhat profitable, as they had raised "$20 million investments by major investors"[3] such as Givaudan, the largest perfumes and essences company and Real Networks, a provider of streaming services.
[4] The iSmell was designed to be easy to set up and use, a simple USB port and a cable to be plugged into an ordinary electrical outlet.
When activated, a fan will start sucking in air through the rear end, and blowing it over tiny vials of oil, being selectively heated based on the desired chemical combination.
In the article "How Internet Odors Will Work" it describes the process of how the aromas are dispensed into the air, " A user requests or triggers the file by clicking a mouse or opening an e-mail, A small amount of the aroma is emitted by the device in the direct vicinity of the user".