<s>
Sagacity	B-General_Concept
segmentation	I-General_Concept
is	O
a	O
means	O
of	O
segmenting	O
a	O
population	O
of	O
interest	O
using	O
life-cycle	O
stage	O
,	O
income	O
and	O
occupation	O
variables	O
.	O
</s>
<s>
Sagacity	B-General_Concept
segmentation	I-General_Concept
was	O
developed	O
by	O
a	O
company	O
trading	O
as	O
Research	O
Services	O
in	O
the	O
early	O
1980s	O
.	O
</s>
<s>
Sagacity	B-General_Concept
segmentation	I-General_Concept
is	O
most	O
often	O
used	O
by	O
banks	O
and	O
financial	O
institutions	O
because	O
life-stage	O
is	O
perceived	O
to	O
be	O
a	O
major	O
factor	O
in	O
making	O
major	O
financial	O
decisions	O
such	O
as	O
purchasing	O
a	O
car	O
,	O
house	O
or	O
life	O
insurance	O
.	O
</s>
<s>
Sagacity	B-General_Concept
segmentation	I-General_Concept
is	O
widely	O
used	O
in	O
media	O
analyses	O
and	O
media	O
planning	O
.	O
</s>
