Authors:

Advertising and promotion alone will not sustain a bad product or a product that is not right for the times.

"Made in Japan : Akio Morita and Sony" by Akio Morita, Edwin M. Reingold, Mitsuko Shimomura, (p. 158), 1986.
Advertising and promotion alone will not sustain a bad product or a product that is not right for the times.