Or at least will be?
Does anyone still use these and find them effective? Things such as NLP, ‘mirroring’ body language, certain language use or using postures of power etc etc
As society has become more modern, surely effective sales techniques will change too? I cringe at the thought of someone trying to sell me something by trying to use some kind of pseudoscientific mind control!
I will caveat this though by saying that I am not a sales person so could be talking out of my arse.