<s>
A	O
contact	B-Application
manager	I-Application
is	O
a	O
software	O
program	O
that	O
enables	O
users	O
to	O
easily	O
store	O
and	O
find	O
contact	O
information	O
,	O
such	O
as	O
names	O
,	O
addresses	O
,	O
and	O
telephone	O
numbers	O
.	O
</s>
<s>
Simple	O
ones	O
for	O
personal	O
use	O
are	O
included	O
in	O
most	O
smartphones	B-Application
.	O
</s>
<s>
Sophisticated	O
contact	B-Application
managers	I-Application
provide	O
calendar	B-Application
sharing	O
features	O
and	O
allow	O
colleagues	O
to	O
access	O
the	O
same	O
database	O
.	O
</s>
<s>
In	O
management	O
terminology	O
,	O
advanced	O
contact	B-Application
managers	I-Application
can	O
be	O
called	O
individual	B-Application
resource	I-Application
management	I-Application
(	O
IRM	O
)	O
or	O
contact	B-Application
management	I-Application
(	O
CM	O
)	O
tools	O
–	O
systems	O
for	O
managing	O
an	O
individual	O
's	O
interactions	O
with	O
current	O
and	O
future	O
contacts	O
,	O
to	O
organize	O
,	O
collaborate	O
,	O
and	O
synchronize	O
health	O
,	O
lifestyle	O
,	O
and	O
financial	O
needs	O
.	O
</s>
<s>
Contact	B-Protocol
lists	I-Protocol
have	O
been	O
available	O
for	O
a	O
long	O
time	O
.	O
</s>
<s>
The	O
original	O
contact	B-Application
management	I-Application
system	I-Application
(	O
CMS	O
)	O
was	O
Exsell	O
for	O
DOS	O
by	O
Excalibur	O
Sources	O
,	O
released	O
in	O
1984	O
.	O
</s>
<s>
A	O
contact	B-Application
management	I-Application
system	I-Application
(	O
CMS	O
)	O
may	O
be	O
chosen	O
because	O
it	O
is	O
thought	O
to	O
provide	O
the	O
following	O
advantages	O
:	O
</s>
<s>
Traditionally	O
,	O
a	O
contact	B-Application
manager	I-Application
is	O
usually	O
used	O
for	O
instances	O
where	O
the	O
sales	O
interaction	O
model	O
of	O
the	O
organization	O
is	O
a	O
one-to-many	B-Application
interaction	O
model	O
,	O
in	O
which	O
a	O
single	O
sales	O
representative	O
is	O
responsible	O
for	O
multiple	O
roles	O
within	O
a	O
company	O
.	O
</s>
<s>
Alternatively	O
,	O
a	O
company	O
with	O
a	O
many-to-many	B-Architecture
interaction	O
model	O
,	O
in	O
which	O
many	O
sales	O
representatives	O
are	O
targeting	O
a	O
single	O
job	O
role	O
,	O
a	O
customer	O
relationship	O
management	O
(	O
CRM	O
)	O
system	O
is	O
preferred	O
.	O
</s>
<s>
However	O
,	O
most	O
recent	O
contact	B-Application
management	I-Application
solutions	O
are	O
fully	O
adapted	O
to	O
many-to-many	B-Architecture
interactions	O
models	O
,	O
and	O
the	O
difference	O
between	O
a	O
CRM	O
and	O
a	O
Contact	B-Application
Manager	I-Application
starts	O
to	O
lay	O
more	O
on	O
the	O
fact	O
that	O
CRMs	O
are	O
commonly	O
used	O
to	O
automate	O
sales	O
and	O
marketing	O
processes	O
(	O
quotes	O
,	O
invoices	O
,	O
reminder	O
emails	O
,	O
etc	O
.	O
)	O
</s>
