When you first start watching the acclaimed "Mad Men" television series, you notice (aside from the fantastic suits and dresses) how different advertising and marketing in the 1960s is from today. Today, such crazy office relationships, three-martini lunches, and raging sexism would result in immediate trips to Human Resources.
But stick with the show long enough, and you'll see that some old-school marketing and advertising ideas are still used today. (No marketing or advertising person's education would be complete without knowing about David Ogilvy or Leo Burnett.)
"Over the last 50 years, many of these fundamental sales strategies have remained incredibly valuable," according to the Leads360 infographic, below, highlighting the evolution of sales since the Mad Men era.
In the 1960s, the sales profession focused on in-person pitching. Nowadays, thanks to technology, people can pitch from a distance via email, Skype, Google Hangout, and so on. What hasn't changed is the focus on the customers' needs.