These days, a lot of brands seem to change their advertising more often than people change their pants.
Once upon a time, there was a thing called a "historical reel" which contained all the commercials made by a brand.
Quite often, these solely featured several executions in a long running campaign.
The increasing restlessness of many Marketing Directors and the "let's reinvent the wheel" syndrome displayed by many Ad Agencies has meant that the long running advertising campaign is a rare beast indeed.
As a Monday treat and a perfect antidote to advertising short-termism, feast your eyes on the greatness and glory of the CDP Hamlet campaign that ran from 1966 to 1997.