>A single frame of a can of coke in a movie is not generally noticeable but it was proven to have a clear effect.
Are you referring to the hoax from the '50s or something else?
Are you referring to the hoax from the '50s or something else?
https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1559-1816....
I do not know what '50s hoax you are talking about.