"Congratulate me, Joe! I just sold the business to the Resor boys. They don't know it, but the advertising agency business has seen its best days!"
I want you to let this sink in for a second. The quote above came from J Walter Thompson. In 1916.
Since the dawn of advertising, many people have scrambled up the top of the heap, King- Of-The-Hill-style, in an effort to be the first to proclaim their own industry dead.