
The Sinatra test
In marketing there is a test called “the Sinatra test.” The Sinatra test is about credibility: if you want to sell something then you must

In marketing there is a test called “the Sinatra test.” The Sinatra test is about credibility: if you want to sell something then you must

The former President of the United States, Republican George Bush, once referred to an old memory of his trips to Moscow. “I want to tell