hi,
i need to prove that segmentation is the most important aspect of any
marketing plan. ( i need you to please provide in-depth understanding
of what market segmentation is and how it works aswell of how it is
the most important aspect of any marketing plan).

This argument should be underpined by including business magazines,
newspapers (only if the article is appropriate), consumer magazines
and websites (but not too many independant websites- so ones that are
not directly linked to the above list).

please provide me with a lot of detail please on all of the above, and
i also have to say that time is of the essence, so please if you can
place a high priority on mine, and you will be thanked accordingly.

thank you,
Harry