http://www.digiscents.com/index.shtml
Their FAQ claims it isn’t a joke… but come on… it must be! This can’t be REAL can it??
I know that there are computerized sensors that are able to identify wines by “smell”, beating or matching the best human wine experts. Once you’ve broken down a smell into something a computer can interpret, I suppose it isn’t that big a jump from being able to make a “copy” of a smell and reproduce it.
That being said, I hate to imagine the new strain of computer virii that can be cooked up with these… 
Sounds legitimate to me. If dumb. But then, I thought razor scooters were dumb. Shows how much I know.
http://www.findarticles.com/m1571/26_16/63583816/p1/article.jhtml