Four children (four characters) – first recorded marketing segmentation


The clever one : knows all there is and can market it for you, better than you can do it yourself


The obstinate one:  No matter what will find that everything is wrong , might as well write that one off


The Simple one:  will believe everything you say.  Go  for  it!!


The one who  does not know how to ask.  Marketing efforts  without  awareness of demand (think of failed  marketing by Xerox of  GUI computers before Apple)

haggadah Section: -- Four Children
Source: original - Heifets