Subliminal messages can also be used for the greater good.
They are able to help people learn faster and recall better. Take a look at some subliminal messaging research to see how effective subliminal messages can be in many cases.
More specifically, take a look at how big of an effect subliminal messages can have on you by watching our subliminal video test.
You can also see psychological research done on gender role and conformity where we can see how people miss obvious signs, let alone subliminal ones.
There is also a subliminal video on Youtube that can help you learn math easier by sending you positive subliminal suggestions.