Most salable success secret in the U. S. at the moment is speech improvement. Last week Chicago's Better-Speech Institute of America gave evidence of the profitableness of this industry.
The Better-Speech Institute, operated by Neal B. Dunbar and Estelle B. Hunter, sells a speech training course in 15 lessons at $1.85 in group lots, or $5 to the individual. The institute's unique sales technique is to persuade corporation managements that their employes would serve them better if they talked better. So strong a spur is company endorsement that sometimes the institute sells every single...