He talks about nostalgia and how important it is in advertising.
" It's delicate but potent(..) nostalgia literally means the pain from an old wound, it's a twinge in the heart, far more powerful than the memory alone"
Wikipedia doesn't literally agree, Bruce McCall says that nostalgia is one of the most utterly useless human emotions, but I like Don Draper's version (cause I'm a sucker for nice words)
Well, tonight, nostalgia got me very excited. So while listening to this, oh my, so impossibly sweet song, I'm happy to be nostalgic.