<s>
Social	B-Application
interface	I-Application
is	O
a	O
concept	O
from	O
social	O
science	O
(	O
particularly	O
,	O
media	O
ecology	O
(	O
Marshall	O
McLuhan	O
)	O
and	O
sociology	O
of	O
technology	O
)	O
.	O
</s>
<s>
As	O
a	O
concept	O
of	O
social	B-Application
interface	I-Application
theory	O
,	O
social	B-Application
interface	I-Application
is	O
defined	O
by	O
Norman	O
Long	O
(	O
1989	O
,	O
2001	O
)	O
.	O
</s>
<s>
In	O
other	O
words	O
,	O
interfaces	B-Application
are	O
the	O
areas	O
in	O
which	O
social	O
friction	O
can	O
be	O
experienced	O
and	O
where	O
diffusion	O
of	O
new	O
technology	O
is	O
leading	O
to	O
structural	O
discontinuities	O
(	O
which	O
can	O
be	O
both	O
positive	O
or	O
negative	O
)	O
,	O
the	O
interface	O
is	O
where	O
they	O
will	O
occur	O
.	O
</s>
<s>
Identifying	O
these	O
interfaces	B-Application
and	O
analyzing	O
their	O
effects	O
shows	O
how	O
they	O
are	O
changed	O
by	O
everyday	O
life	O
,	O
and	O
how	O
in	O
return	O
everyday	O
life	O
is	O
changed	O
by	O
the	O
interfaces	B-Application
.	O
</s>
<s>
As	O
practical	O
concept	O
of	O
social	B-Application
interface	I-Application
design	O
,	O
social	B-Application
interface	I-Application
is	O
seen	O
in	O
the	O
studies	O
of	O
human-computer	O
interaction	O
(	O
in	O
particular	O
,	O
its	O
computer	B-Application
interface	I-Application
aspect	O
)	O
.	O
</s>
<s>
The	O
basic	O
thesis	O
is	O
that	O
where	O
a	O
computer	B-Application
interface	I-Application
is	O
more	O
akin	O
to	O
another	O
human	O
,	O
it	O
can	O
facilitate	O
correct	O
responses	O
from	O
users	O
during	O
human-to-computer	O
interaction	O
.	O
</s>
<s>
Software	O
that	O
can	O
provide	O
such	O
humanizing	O
cues	O
often	O
does	O
it	O
by	O
creating	O
interface	O
with	O
human-like	O
quality	O
(	O
such	O
as	O
giving	O
recognizable	O
gender	O
to	O
a	O
software	B-General_Concept
agent	I-General_Concept
)	O
.	O
</s>
<s>
Studies	O
are	O
often	O
concerned	O
with	O
how	O
should	O
such	O
agents	O
(	O
like	O
the	O
Microsoft	B-Application
Agent	I-Application
)	O
be	O
designed	O
to	O
make	O
them	O
more	O
appealing	O
(	O
is	O
having	O
facial	O
expressions	O
efficient	O
,	O
should	O
the	O
agent	O
be	O
anthropomorphic	O
,	O
and	O
so	O
on	O
)	O
.	O
</s>
