I always use my clients' products. This is not toady-ism, but elementary good manners.
When people aren't having any fun, they seldom produce good work. Kill the grimness with laughter. Encourage exuberance. Get rid of sad dogs that spread gloom.
Study the methods of your competitors and do the exact opposite.
If you canโt be brilliant, at least be memorable
Never stop testing, and your advertising will never stop improving.
Talent, I believe, is most likely to be found among nonconformists, dissenters, and rebels.