<s>
Windows	B-Application
Live	I-Application
Web	I-Application
Messenger	I-Application
is	O
the	O
discontinued	O
browser-based	O
version	O
of	O
Windows	B-Protocol
Live	I-Protocol
Messenger	I-Protocol
developed	O
by	O
Microsoft	O
which	O
allowed	O
users	O
to	O
send	O
instant	B-Application
messages	I-Application
online	O
and	O
in	O
real-time	O
with	O
others	O
using	O
the	O
Microsoft	O
Messenger	O
service	O
from	O
within	O
a	O
web	B-Application
browser	I-Application
.	O
</s>
<s>
The	O
service	O
allowed	O
users	O
without	O
administrative	O
privileges	O
on	O
their	O
computer	O
,	O
such	O
as	O
at	O
a	O
shared	O
public	O
computer	O
,	O
to	O
chat	O
with	O
others	O
on	O
their	O
Messenger	O
contact	O
list	O
without	O
having	O
to	O
install	O
the	O
Windows	B-Protocol
Live	I-Protocol
Messenger	I-Protocol
client	O
.	O
</s>
<s>
On	O
October	O
30	O
,	O
2008	O
,	O
Microsoft	O
officially	O
discontinued	O
the	O
beta	O
version	O
of	O
Windows	B-Application
Live	I-Application
Web	I-Application
Messenger	I-Application
and	O
integrated	O
the	O
service	O
into	O
Windows	B-Operating_System
Live	I-Operating_System
Hotmail	I-Operating_System
and	O
Windows	O
Live	O
Contacts	O
.	O
</s>
<s>
In	O
2010	O
,	O
as	O
part	O
of	O
the	O
Windows	O
Live	O
"	O
Wave	O
4	O
"	O
release	O
,	O
Windows	B-Application
Live	I-Application
Web	I-Application
Messenger	I-Application
is	O
integrated	O
into	O
all	O
Windows	O
Live	O
web	O
services	O
 '	O
headers	O
,	O
allowing	O
users	O
to	O
sign	O
into	O
the	O
Messenger	O
service	O
via	O
the	O
web	B-Application
browser	I-Application
on	O
any	O
Windows	O
Live	O
properties	O
.	O
</s>
<s>
MSN	B-Application
Web	I-Application
Messenger	I-Application
was	O
first	O
launched	O
in	O
August	O
2004	O
.	O
</s>
<s>
On	O
the	O
contact	O
list	O
for	O
MSN	B-Protocol
Messenger	I-Protocol
users	O
,	O
the	O
status	O
of	O
a	O
contact	O
using	O
Web	B-Application
messenger	I-Application
is	O
either	O
displayed	O
as	O
a	O
globe	O
,	O
or	O
by	O
appending	O
the	O
word	O
(	O
Web	O
)	O
after	O
their	O
name	O
,	O
depending	O
on	O
the	O
version	O
of	O
MSN	B-Protocol
Messenger	I-Protocol
used	O
.	O
</s>
<s>
MSN	B-Application
Web	I-Application
Messenger	I-Application
was	O
officially	O
discontinued	O
on	O
June	O
30	O
,	O
2009	O
.	O
</s>
<s>
In	O
September	O
2007	O
,	O
Microsoft	O
began	O
developing	O
a	O
new	O
version	O
of	O
the	O
service	O
named	O
Windows	B-Application
Live	I-Application
Web	I-Application
Messenger	I-Application
.	O
</s>
<s>
Windows	B-Application
Live	I-Application
Web	I-Application
Messenger	I-Application
featured	O
the	O
Windows	O
Live	O
2.0	O
user	O
interface	O
,	O
integrated	O
Personal	O
Status	O
Message	O
and	O
display	O
picture	O
functionalities	O
,	O
and	O
allowed	O
tabbed	O
conversations	O
in	O
a	O
"	O
conversation	O
workspace	O
"	O
.	O
</s>
<s>
Windows	B-Application
Live	I-Application
Web	I-Application
Messenger	I-Application
was	O
officially	O
discontinued	O
on	O
October	O
30	O
,	O
2008	O
,	O
and	O
its	O
capabilities	O
were	O
integrated	O
into	O
Windows	B-Operating_System
Live	I-Operating_System
Hotmail	I-Operating_System
and	O
Windows	O
Live	O
Contacts	O
.	O
</s>
<s>
However	O
many	O
functionalities	O
in	O
the	O
beta	O
version	O
of	O
Windows	B-Application
Live	I-Application
Web	I-Application
Messenger	I-Application
,	O
such	O
as	O
tabbed	O
conversations	O
,	O
were	O
unavailable	O
in	O
the	O
Windows	O
Live	O
Contacts	O
and	O
Hotmail	B-Operating_System
version	O
.	O
</s>
<s>
There	O
are	O
other	O
services	O
from	O
various	O
localities	O
(	O
such	O
as	O
China	O
,	O
Taiwan	O
,	O
and	O
Singapore	O
)	O
that	O
are	O
also	O
titled	O
Windows	B-Application
Live	I-Application
Web	I-Application
Messenger	I-Application
,	O
however	O
these	O
versions	O
are	O
only	O
an	O
implementation	O
of	O
the	O
Windows	B-Library
Live	I-Library
Messenger	I-Library
Web	I-Library
Toolkit	I-Library
.	O
</s>
