Segmentation
The division of a marketplace into distinct subjects of consumers having similar needs and wants, each of which can be reached with a different marketing mix.
The goal is to simplify the population.
Segmentation criteria
Demographics:
Bahavioral:
Psychographics:
Segmentation prediction
Use current customers to predict new ones:
Correlated spatial preferences:
Usually, people do not choose the place they live by accident. People who live near each other tend to be more similar.

Desirable properties of segments:
LIDS
Targeting
A process, following segmentation, whereby a firm determines which segment(s) to serve and which segment(s) to ignore.
Desirable properties of targets:
PFD