I guess it is true o_O!?

http://www.nzhypnosis.com/hypnosis-feminization-cd.html
This link bothered me deeply, is it really true to do something like that? Now I know the CD is supposed to be for un-forced, but it reminds me of those stories I've read where the mother or person played a certain tape over and over again in a person's head. Is this stuff really possible? O_O!?