<s>
A	O
node	B-Application
stream	I-Application
is	O
a	O
method	O
of	O
transferring	O
large	O
amounts	O
of	O
data	O
on	O
mobile	O
devices	O
or	O
websites	O
(	O
such	O
as	O
uploading	O
detailed	O
photographs	O
)	O
by	O
breaking	O
the	O
file	O
or	O
data	O
down	O
into	O
manageable	O
chunks	O
.	O
</s>
<s>
The	O
chunks	O
of	O
data	O
do	O
not	O
use	O
as	O
much	O
computer	B-General_Concept
memory	I-General_Concept
,	O
so	O
they	O
are	O
less	O
likely	O
to	O
slow	O
down	O
the	O
device	O
,	O
allowing	O
the	O
user	O
to	O
do	O
other	O
things	O
on	O
it	O
whilst	O
waiting	O
for	O
the	O
file	B-Protocol
transfer	I-Protocol
to	O
complete	O
.	O
</s>
<s>
In	O
technical	O
terms	O
,	O
in	O
Node.js	B-Language
a	O
node	B-Application
stream	I-Application
is	O
a	O
readable	O
or	O
writable	O
continuous	O
flow	O
of	O
data	O
that	O
can	O
be	O
manipulated	O
asynchronously	B-Operating_System
as	O
data	O
comes	O
in	O
(	O
or	O
out	O
)	O
.	O
</s>
<s>
This	O
API	O
can	O
be	O
used	O
in	O
data	O
intensive	O
web	O
applications	O
where	O
scalability	B-Architecture
is	O
an	O
issue	O
.	O
</s>
<s>
A	O
node	B-Application
stream	I-Application
can	O
be	O
many	O
different	O
things	O
:	O
a	O
file	B-Architecture
stream	I-Architecture
,	O
a	O
parser	B-Language
,	O
an	O
HTTP	O
request	O
,	O
a	O
child	B-Operating_System
process	I-Operating_System
,	O
etc	O
.	O
</s>
