Dating Advice From 1938

So this is interesting, apparently this was sound advice to give all the single ladies in 1938. What's changed in 75 years?
In order to run a successful website, we and certain third parties are setting cookies and accessing and storing information on your device for various purposes. Various third parties are also collecting data to show you personalized content and ads. Some third parties require your consent to collect data to serve you personalized content and ads.

So this is interesting, apparently this was sound advice to give all the single ladies in 1938. What's changed in 75 years?