 It was claimed to be better for digestion, and even that the "pure" coffee did not have the wakefulness effect of coffee from ground beans (a direct effect of caffeine content, present in both forms).After World War I ended, the American military's use of the coffee became another selling point.A different avenue for promotion came when the company sponsored "The Adventures of Sherlock Holmes" radio series on NBC and its Blue Network from 1930 to 1935, which started with Dr. Watson welcoming listeners to his recollections told by "a blazing fire and a cup of G Washington brewing."