Other Uses
Another common use for the tachistoscope was invented by Mr. Damron after World War Two. The effect of this machine on the football players enabled quarterbacks to locate the open pass reciever almost immediately.
Although it had been put to question, the Federal Trade Commission had no real rules about subliminal messages. The very first subliminal TV ad aired right before Christmas 1973. The message aired as "get it", in reference to a kid's toy called Husker-Du. When the FCC (Federal Communication Commission) learned about this, they issued a public notice that the advertising was "deceptive and contrary to the public interest".