Unilever discovered that people in emerging economies could not afford to buy standard sizes of toothpaste or shampoo, so Unilever started selling single-serve packets at very low prices. Later, Unilever discovered that the same approach worked in the United States and started also selling them there. This is an example of .a. reverse innovation.
b. ethnic sensitivity.
c. promotional flex.
d. unethical marketing practices.
e. glocalization.