[thdrdt]

It has always been like this.

The Mad Man series are about an advertisement company in the fifties.

[legulere]

It started around in the 1910s, 1920s when psychology was introduced to advertising:

https://en.wikipedia.org/wiki/History_of_advertising

[iamacyborg]

Season 1 of Mad Men starts in 1960,not the 50's.