Is it possible to use subliminal messages on a grand scale to change the behaivor of an entire nation?

Question

Update:

What would you use to distribute it?

Update 2:

How would you recognize it if it was happening?

Answer 1

You can but some people may notice.

it's done today actually.

Answer 2

for a time, but at some point, real life would tell you different and that's what you'd wake up and believe.

Answer 3

Yeh.....What makes you think large corporations and Governments aren't already doing it.

Answer 4

Yes, it absolutely is possible.