<s>
Deepfish	B-Operating_System
was	O
an	O
experimental	O
browsing	O
software	O
system	O
for	O
Windows	B-Operating_System
Mobile	I-Operating_System
devices	O
that	O
used	O
a	O
zooming	B-Application
user	I-Application
interface	I-Application
,	O
being	O
developed	O
at	O
Microsoft	O
Live	O
Labs	O
.	O
</s>
<s>
Deepfish	B-Operating_System
consisted	O
of	O
a	O
light-weight	O
browser	O
client	O
powered	O
by	O
a	O
server	O
backend	O
which	O
does	O
most	O
of	O
the	O
processing	O
.	O
</s>
<s>
Despite	O
the	O
increased	O
speed	O
in	O
Deepfish	B-Operating_System
,	O
it	O
's	O
quite	O
bandwidth	O
heavy	O
and	O
can	O
render	O
pages	O
slowly	O
if	O
it	O
were	O
launched	O
on	O
a	O
device	O
with	O
lower	O
specifications	O
.	O
</s>
<s>
Deepfish	B-Operating_System
was	O
retired	O
on	O
30	O
September	O
2008	O
while	O
important	O
features	O
including	O
JavaScript	B-Language
,	O
AJAX	O
,	O
cookies	O
,	O
ActiveX	O
controls	O
and	O
HTTP	O
POST	O
were	O
not	O
implemented	O
.	O
</s>
