<s>
Cairo	B-Application
was	O
the	O
codename	O
for	O
a	O
project	O
at	O
Microsoft	O
from	O
1991	O
to	O
1996	O
.	O
</s>
<s>
Its	O
charter	O
was	O
to	O
build	O
technologies	O
for	O
a	O
next-generation	O
operating	B-General_Concept
system	I-General_Concept
that	O
would	O
fulfill	O
Bill	O
Gates	O
's	O
vision	O
of	O
"	O
information	O
at	O
your	O
fingertips.	O
"	O
</s>
<s>
Cairo	B-Application
never	O
shipped	O
,	O
although	O
portions	O
of	O
its	O
technologies	O
have	O
since	O
appeared	O
in	O
other	O
products	O
.	O
</s>
<s>
Cairo	B-Application
was	O
announced	O
at	O
the	O
1991	O
Microsoft	O
Professional	O
Developers	O
Conference	O
by	O
Jim	O
Allchin	O
.	O
</s>
<s>
It	O
was	O
demonstrated	O
publicly	O
(	O
including	O
a	O
demo	O
system	O
for	O
all	O
attendees	O
to	O
use	O
)	O
at	O
the	O
1993	O
Cairo/Win95	O
PDC	O
.	O
</s>
<s>
Microsoft	O
changed	O
stance	O
on	O
Cairo	B-Application
several	O
times	O
,	O
sometimes	O
calling	O
it	O
a	O
product	O
,	O
other	O
times	O
referring	O
to	O
it	O
as	O
a	O
collection	O
of	O
technologies	O
.	O
</s>
<s>
Cairo	B-Application
used	O
distributed	B-Architecture
computing	I-Architecture
concepts	O
to	O
make	O
information	O
available	O
quickly	O
and	O
seamlessly	O
across	O
a	O
worldwide	O
network	O
of	O
computers	O
.	O
</s>
<s>
The	O
Windows	B-Application
95	I-Application
user	O
interface	O
was	O
based	O
on	O
the	O
initial	O
design	O
work	O
that	O
was	O
done	O
on	O
the	O
Cairo	B-Application
user	O
interface	O
.	O
</s>
<s>
DCE/RPC	B-General_Concept
shipped	O
in	O
Windows	O
NT	O
3.1	O
.	O
</s>
<s>
Content	O
Indexing	O
is	O
now	O
a	O
part	O
of	O
Internet	B-Application
Information	I-Application
Server	I-Application
and	O
Windows	O
Desktop	O
Search	O
.	O
</s>
<s>
The	O
remaining	O
component	O
is	O
the	O
object	B-Application
file	I-Application
system	I-Application
.	O
</s>
<s>
It	O
was	O
once	O
planned	O
to	O
be	O
implemented	O
in	O
the	O
form	O
of	O
WinFS	B-Application
as	O
part	O
of	O
Windows	B-Application
Vista	I-Application
but	O
development	O
was	O
cancelled	O
in	O
June	O
2006	O
,	O
with	O
some	O
of	O
its	O
technologies	O
merged	O
into	O
other	O
Microsoft	O
products	O
such	O
as	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
2008	I-Application
,	O
also	O
known	O
under	O
the	O
codename	O
"	O
Katmai	O
"	O
.	O
</s>
