<s>
Google	B-Application
Talk	O
was	O
an	O
instant	B-Application
messaging	I-Application
service	I-Application
that	O
provided	O
both	O
text	O
and	O
voice	O
communication	O
.	O
</s>
<s>
The	O
instant	B-Application
messaging	I-Application
service	I-Application
was	O
variously	O
referred	O
to	O
colloquially	O
as	O
Gchat	B-Application
,	O
Gtalk	O
,	O
or	O
Gmessage	O
among	O
its	O
users	O
.	O
</s>
<s>
Google	B-Application
Talk	O
was	O
also	O
the	O
name	O
of	O
the	O
client	B-Protocol
applications	I-Protocol
previously	O
offered	O
by	O
Google	B-Application
to	O
use	O
the	O
service	O
.	O
</s>
<s>
Google	B-Application
Talk	O
applications	O
were	O
available	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
Android	B-Application
,	O
BlackBerry	B-Application
OS	I-Application
,	O
BlackBerry	B-Application
10	I-Application
and	O
ChromeOS	B-Operating_System
operating	O
systems	O
.	O
</s>
<s>
A	O
Google	B-Application
Talk	O
mobile	O
web	O
app	O
had	O
also	O
been	O
previously	O
available	O
.	O
</s>
<s>
In	O
February	O
2015	O
,	O
the	O
Windows	B-Application
client	B-Protocol
was	O
discontinued	O
and	O
ceased	O
to	O
work	O
,	O
with	O
Google	B-Application
recommending	O
users	O
to	O
use	O
Google	B-Protocol
Hangouts	I-Protocol
instead	O
.	O
</s>
<s>
Users	O
of	O
Windows	B-Application
client	B-Protocol
were	O
instructed	O
to	O
migrate	O
to	O
the	B-Application
Google	I-Application
Hangouts	B-Protocol
app	O
on	O
the	O
Chrome	B-Application
browser	I-Application
platform	O
.	O
</s>
<s>
Currently	O
,	O
Google	B-Application
is	O
migrating	O
its	O
users	O
from	O
Google	B-Protocol
Hangouts	I-Protocol
,	O
to	O
Google	B-Application
Chat	I-Application
and	O
Google	B-Protocol
Meet	I-Protocol
.	O
</s>
<s>
Google	B-Application
Talk	O
was	O
integrated	O
into	O
Gmail	B-Application
where	O
users	O
could	O
send	O
instant	B-Application
messages	I-Application
to	O
other	O
Gmail	B-Application
users	O
.	O
</s>
<s>
As	O
it	O
worked	O
within	O
a	O
browser	O
,	O
the	B-Application
Google	I-Application
Talk	O
client	B-Protocol
did	O
not	O
need	O
to	O
be	O
downloaded	O
to	O
send	O
instant	B-Application
messages	I-Application
to	O
Gmail	B-Application
users	O
.	O
</s>
<s>
Conversation	O
logs	O
were	O
automatically	O
saved	O
to	O
a	O
"	O
Chats	B-Protocol
"	O
area	O
in	O
the	O
user	O
's	O
Gmail	B-Application
account	O
.	O
</s>
<s>
This	O
allowed	O
users	O
to	O
search	O
their	O
chat	B-Protocol
logs	O
and	O
have	O
them	O
centrally	O
stored	O
in	O
their	O
Gmail	B-Application
accounts	O
.	O
</s>
<s>
For	O
a	O
long	O
time	O
,	O
it	O
was	O
not	O
possible	O
to	O
directly	O
download	O
chat	B-Protocol
logs	O
that	O
were	O
not	O
attached	O
to	O
an	O
email	O
conversation	O
,	O
although	O
some	O
workarounds	O
had	O
been	O
found	O
.	O
</s>
<s>
However	O
,	O
on	O
September	O
15	O
,	O
2011	O
,	O
Google	B-Application
announced	O
a	O
new	O
feature	O
of	O
its	O
Google	B-Application
Takeout	O
program	O
that	O
allows	O
users	O
to	O
download	O
chat	B-Protocol
logs	O
via	O
IMAP	O
.	O
</s>
<s>
Google	B-Application
also	O
integrated	O
Google	B-Application
Talk	O
with	O
Orkut	B-Application
.	O
</s>
<s>
This	O
enabled	O
Google	B-Application
Talk	O
users	O
to	O
interact	O
with	O
registered	O
Orkut	B-Application
users	O
,	O
by	O
sending	O
and	O
receiving	O
"	O
scraps	O
"	O
within	O
Orkut	B-Application
.	O
</s>
<s>
Orkut	B-Application
has	O
since	O
been	O
shut	O
down	O
.	O
</s>
<s>
Google	B-Application
Talk	O
Gadget	O
was	O
a	O
web-based	O
module	O
that	O
could	O
be	O
embedded	O
in	O
iGoogle	O
(	O
since	O
discontinued	O
)	O
and	O
other	O
web	O
pages	O
,	O
allowing	O
text	B-Protocol
chat	I-Protocol
with	O
users	O
of	O
Google	B-Application
Talk	O
.	O
</s>
<s>
This	O
functionality	O
was	O
at	O
some	O
point	O
discontinued	O
without	O
any	O
real	O
announcement	O
,	O
likely	O
in	O
the	O
face	O
of	O
the	O
release	O
of	O
the	B-Application
Google	I-Application
Hangouts	B-Protocol
services	O
.	O
</s>
<s>
Google+	B-Application
was	O
integrated	O
into	O
Google	B-Application
Talk	O
.	O
</s>
<s>
In	O
the	O
standalone	O
client	B-Protocol
and	O
the	B-Application
Google	I-Application
Talk	O
widget	O
embedded	O
into	O
Gmail	B-Application
and	O
Google+	B-Application
,	O
Google+	B-Application
contacts	O
appeared	O
in	O
the	O
contacts	O
list	O
;	O
their	O
respective	O
circles	O
were	O
shown	O
in	O
Google+'s	O
iteration	O
of	O
the	O
widget	O
.	O
</s>
<s>
Google+	B-Application
has	O
since	O
been	O
shut	O
down	O
.	O
</s>
<s>
It	O
was	O
possible	O
to	O
place	O
and	O
receive	O
phone	O
calls	O
from	O
within	O
Gmail	B-Application
by	O
using	O
Google	B-Application
Talk	O
.	O
</s>
<s>
In	O
order	O
to	O
receive	O
calls	O
,	O
however	O
,	O
the	O
user	O
had	O
to	O
upgrade	O
to	O
a	O
full	O
Google	B-Application
Voice	I-Application
account	O
.	O
</s>
<s>
Initially	O
,	O
users	O
outside	O
of	O
the	O
US	O
could	O
not	O
upgrade	O
to	O
a	O
full	O
Google	B-Application
Voice	I-Application
account	O
or	O
receive	O
phone	O
calls	O
in	O
Gmail	B-Application
.	O
</s>
<s>
(	O
Outbound	O
calling	O
through	O
Gmail	B-Application
did	O
not	O
require	O
Google	B-Application
Voice	I-Application
and	O
was	O
available	O
in	O
many	O
countries	O
outside	O
the	O
US	O
.	O
)	O
</s>
<s>
Google	B-Application
Talk	O
allowed	O
users	O
to	O
leave	O
a	O
voicemail	O
for	O
a	O
contact	O
whether	O
or	O
not	O
they	O
were	O
signed	O
into	O
Google	B-Application
Talk	O
.	O
</s>
<s>
Messages	O
could	O
be	O
up	O
to	O
10	O
minutes	O
long	O
and	O
users	O
could	O
choose	O
to	O
have	O
them	O
sent	O
to	O
their	O
Gmail	B-Application
inbox	O
.	O
</s>
<s>
Google	B-Application
also	O
provided	O
a	O
Voice	O
and	O
Video	O
Chat	B-Protocol
browser	O
plugin	O
for	O
Google	B-Application
Talk	O
(	O
not	O
to	O
be	O
confused	O
with	O
the	O
standalone	O
Google	B-Application
Talk	O
client	B-Protocol
)	O
that	O
supported	O
voice	O
and	O
video	O
chat	B-Protocol
between	O
Gmail	B-Application
users	O
.	O
</s>
<s>
The	O
plugin	O
was	O
available	O
for	O
Windows	B-Application
(	O
XP	O
,	O
Vista	O
,	O
and	O
7	O
)	O
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
(	O
only	O
on	O
Intel-based	B-Device
Macs	I-Device
)	O
,	O
and	O
Linux	B-Application
(	O
Debian	O
,	O
Ubuntu	O
,	O
Fedora	O
,	O
and	O
OpenSUSE	B-Operating_System
packages	O
available	O
,	O
but	O
the	O
binaries	O
worked	O
on	O
other	O
systems	O
)	O
.	O
</s>
<s>
The	O
plugin	O
had	O
to	O
be	O
downloaded	O
and	O
installed	O
,	O
but	O
otherwise	O
seamlessly	O
integrated	O
into	O
the	O
Gmail	B-Application
interface	O
.	O
</s>
<s>
The	O
connection	O
between	O
the	B-Application
Google	I-Application
Talk	O
client	B-Protocol
and	O
the	B-Application
Google	I-Application
Talk	O
server	O
was	O
encrypted	O
,	O
except	O
when	O
using	O
Gmail	B-Application
's	O
chat	B-Protocol
over	O
HTTP	O
,	O
a	O
federated	O
network	O
that	O
did	O
n't	O
support	O
encryption	O
,	O
or	O
when	O
using	O
a	O
proxy	O
like	O
IMLogic	O
.	O
</s>
<s>
Some	O
XMPP	B-Protocol
clients	O
natively	O
supported	O
encryption	O
with	O
Google	B-Application
Talk	O
's	O
servers	O
.	O
</s>
<s>
It	O
was	O
possible	O
to	O
have	O
end-to-end	O
encryption	O
over	O
the	B-Application
Google	I-Application
Talk	O
network	O
using	O
OTR	O
(	O
off-the-record	O
)	O
encryption	O
using	O
other	O
chat	B-Protocol
clients	O
like	O
Adium	B-Protocol
(	O
for	O
Mac	O
)	O
or	O
Pidgin	B-Protocol
(	O
for	O
Linux	B-Application
and	O
Windows	B-Application
)	O
.	O
</s>
<s>
Google	B-Application
's	I-Application
version	O
of	O
"	O
Off	O
the	O
Record	O
"	O
was	O
not	O
OTR	O
(	O
off-the-record	O
)	O
encryption	O
.	O
</s>
<s>
Enabling	O
"	O
off	O
the	O
record	O
"	O
inside	O
Gmail	B-Application
's	O
Chat	B-Protocol
turned	O
off	O
logging	O
of	O
messages	O
,	O
but	O
did	O
not	O
enable	O
encryption	O
.	O
</s>
<s>
On	O
November	O
1	O
,	O
2006	O
,	O
Google	B-Application
introduced	O
offline	O
messaging	O
to	O
Google	B-Application
Talk	O
.	O
</s>
<s>
This	O
only	O
worked	O
between	O
Gmail-accounts	O
,	O
not	O
between	O
Google	B-Application
Talk	O
servers	O
and	O
other	O
XMPP	B-Protocol
servers	O
.	O
</s>
<s>
On	O
June	O
30	O
,	O
2006	O
,	O
Nokia	O
released	O
new	O
software	O
for	O
their	O
Nokia	B-Application
770	I-Application
Internet	I-Application
Tablet	I-Application
,	O
that	O
included	O
Google	B-Application
Talk	O
as	O
one	O
of	O
the	O
compatible	O
VoIP	B-Application
clients	O
,	O
because	O
of	O
the	O
XMPP-based	O
software	O
.	O
</s>
<s>
Another	O
Google	B-Application
Talk-compatible	O
device	O
was	O
Sony	O
's	O
mylo	B-Application
,	O
released	O
on	O
September	O
15	O
,	O
2006	O
.	O
</s>
<s>
A	O
Google	B-Application
Talk	O
client	B-Protocol
was	O
also	O
available	O
for	O
BlackBerry	B-Application
devices	O
from	O
the	O
BlackBerry	B-Application
site	O
.	O
</s>
<s>
Google	B-Application
Talk	O
support	O
was	O
also	O
integrated	O
into	O
Google	B-Application
Android	I-Application
devices	O
,	O
but	O
did	O
not	O
support	O
voice	O
and	O
video	O
calls	O
below	O
Android	B-Application
version	O
2.3.4	O
.	O
</s>
<s>
This	O
was	O
released	O
in	O
April	O
2011	O
for	O
the	B-Application
Google	I-Application
Nexus	O
S	O
.	O
</s>
<s>
However	O
,	O
given	O
that	O
Google	B-Application
Talk	O
provided	O
XMPP	B-Protocol
protocol	I-Protocol
,	O
most	O
mobile	O
phones	O
for	O
which	O
a	O
suitable	O
XMPP	B-Protocol
client	B-Protocol
existed	O
could	O
also	O
offer	O
Google	B-Application
Talk	O
service	O
,	O
at	O
least	O
theoretically	O
(	O
depending	O
on	O
the	O
handset	O
,	O
the	O
user	O
may	O
have	O
encounter	O
security	O
warnings	O
because	O
of	O
unsigned	O
Java	B-Language
ME	I-Language
MIDlets	B-Language
or	O
limits	O
put	O
in	O
place	O
by	O
the	O
mobile	O
service	O
provider	O
)	O
.	O
</s>
<s>
Mobile	O
clients	O
specially	O
designed	O
for	O
Google	B-Application
Talk	O
existed	O
as	O
well	O
.	O
</s>
<s>
Most	O
phones	O
supported	O
the	O
IMPS	O
protocol	O
,	O
and	O
there	O
was	O
hybrid	O
XMPP/IMPS	O
networks	O
(	O
through	O
XMPP	B-Protocol
transports	O
,	O
or	O
specially	O
designed	O
hybrid	O
servers	O
)	O
,	O
which	O
could	O
also	O
contact	O
Google	B-Application
Talk	O
users	O
.	O
</s>
<s>
The	B-Application
Google	I-Application
Talk	O
service	O
itself	O
was	O
unusable	O
from	O
IMPS	O
(	O
that	O
means	O
,	O
one	O
could	O
not	O
log	O
with	O
their	O
Gmail	B-Application
account	O
,	O
but	O
they	O
could	O
talk	O
with	O
their	O
Gmail	B-Application
friends	O
with	O
their	O
IMPS	O
account	O
from	O
their	O
mobile	O
phone	O
)	O
.	O
</s>
<s>
For	O
most	O
smartphones	O
,	O
including	O
Symbian-based	O
as	O
well	O
as	O
Android	B-Application
,	O
third-party	O
applications	O
such	O
as	O
Nimbuzz	B-Protocol
and	O
Fring	O
included	O
support	O
for	O
Google	B-Application
Talk	O
accounts	O
,	O
including	O
VoIP	B-Application
calls	I-Application
.	O
</s>
<s>
Google	B-Application
Talk	O
did	O
not	O
provide	O
the	O
user	O
with	O
a	O
menu	O
for	O
text	O
formatting	O
.	O
</s>
<s>
Nevertheless	O
,	O
Google	B-Application
Talk	O
did	O
support	O
some	O
text	O
formatting	O
features	O
like	O
making	O
text	O
bold	O
and	O
italic	O
.	O
</s>
<s>
To	O
write	O
a	O
message	O
in	O
bold	O
,	O
a	O
user	O
could	O
type	O
the	O
required	O
text	O
between	O
two	O
asterisks	O
( *	O
)	O
,	O
for	O
example	O
,	O
*	O
this	O
text	O
would	O
be	O
bold	O
in	O
Google	B-Application
Talk*	O
.	O
</s>
<s>
This	O
only	O
functioned	O
in	O
some	O
of	O
the	B-Application
Google	I-Application
native	O
tools	O
,	O
and	O
did	O
not	O
always	O
function	O
as	O
expected	O
when	O
received	O
from	O
other	O
XMPP	B-Protocol
clients	O
.	O
</s>
<s>
On	O
August	O
22	O
,	O
2005	O
,	O
The	O
New	O
York	O
Times	O
reported	O
a	O
rumor	O
of	O
a	O
Google-branded	O
"	O
communications	O
tool	O
"	O
service	O
and	O
the	O
Los	O
Angeles	O
Times	O
provided	O
details	O
.	O
</s>
<s>
Subsequently	O
,	O
the	O
subdomain	B-Protocol
was	O
found	O
to	O
have	O
an	O
active	O
XMPP	B-Protocol
server	O
.	O
</s>
<s>
Two	O
methods	O
of	O
logging	O
into	O
the	O
server	O
were	O
discovered	O
soon	O
after	O
and	O
the	O
ensuing	O
response	O
by	O
eager	O
bloggers	O
revealed	O
to	O
numerous	O
others	O
how	O
to	O
log	O
in	O
before	O
the	O
official	O
release	O
by	O
Google	B-Application
.	I-Application
</s>
<s>
On	O
the	O
evening	O
of	O
August	O
23	O
,	O
many	O
logged-in	O
users	O
using	O
port	B-Protocol
5222	O
to	O
connect	O
were	O
disconnected	O
and	O
unable	O
to	O
log	O
back	O
in	O
.	O
</s>
<s>
Users	O
using	O
port	B-Protocol
5223	O
to	O
connect	O
were	O
still	O
able	O
to	O
log	O
in	O
,	O
and	O
at	O
04:12:52	O
UTC	O
those	O
users	O
received	O
a	O
broadcast	O
instant	B-Application
message	I-Application
from	O
,	O
an	O
apparently	O
official	O
username	O
used	O
by	O
Google	B-Application
to	O
communicate	O
with	O
their	O
user	O
base	O
,	O
that	O
stated	O
"	O
The	O
broken	O
link	O
has	O
been	O
fixed	O
.	O
</s>
<s>
Port	B-Protocol
5222-connectivity	O
was	O
found	O
to	O
have	O
been	O
re-enabled	O
.	O
</s>
<s>
On	O
August	O
24	O
,	O
Google	B-Application
Talk	O
was	O
officially	O
launched	O
.	O
</s>
<s>
On	O
December	O
15	O
,	O
2005	O
,	O
Google	B-Application
released	O
libjingle	B-Protocol
,	O
a	O
C++	B-Language
library	B-Library
to	O
implement	O
Jingle	B-Protocol
,	O
"	O
a	O
set	O
of	O
extensions	O
to	O
the	O
IETF	O
's	O
Extensible	B-Protocol
Messaging	I-Protocol
and	I-Protocol
Presence	I-Protocol
Protocol	I-Protocol
(	O
XMPP	B-Protocol
)	O
for	O
use	O
in	O
voice	B-Application
over	I-Application
IP	I-Application
(	O
VoIP	B-Application
)	O
,	O
video	O
,	O
and	O
other	O
peer-to-peer	O
multimedia	O
sessions.	O
"	O
</s>
<s>
Libjingle	B-Protocol
is	O
a	O
library	B-Library
of	O
the	O
code	O
that	O
Google	B-Application
uses	O
for	O
peer-to-peer	O
communication	O
,	O
and	O
was	O
made	O
available	O
under	O
a	O
BSD	B-Operating_System
license	I-Operating_System
.	O
</s>
<s>
In	O
2006	O
,	O
Google	B-Application
reported	O
that	O
they	O
were	O
working	O
on	O
adding	O
new	O
features	O
such	O
as	O
supporting	O
SIP	B-Application
in	O
a	O
future	O
release	O
,	O
which	O
would	O
broaden	O
the	O
userbase	O
for	O
the	O
program	O
.	O
</s>
<s>
On	O
January	O
17	O
,	O
2006	O
,	O
Google	B-Application
enabled	O
server-to-server	B-Protocol
communications	O
,	O
federating	O
itself	O
with	O
any	O
XMPP	B-Protocol
server	O
that	O
supported	O
the	O
dialback	O
protocol	O
.	O
</s>
<s>
On	O
February	O
7	O
,	O
2006	O
,	O
Gmail	B-Application
received	O
chat	B-Protocol
functionality	O
,	O
using	O
Ajax	B-General_Concept
for	O
server	O
–	O
browser	O
communication	O
,	O
and	O
was	O
integrated	O
with	O
Google	B-Application
Talk	O
.	O
</s>
<s>
It	O
also	O
added	O
the	O
ability	O
to	O
chat	B-Protocol
with	O
a	O
built-in	O
XMPP	B-Protocol
client	B-Protocol
.	O
</s>
<s>
In	O
August	O
2006	O
,	O
Google	B-Application
and	O
eBay	O
announced	O
that	O
they	O
would	O
look	O
into	O
making	O
Google	B-Application
Talk	O
users	O
able	O
to	O
communicate	O
with	O
Skype	B-Application
:	O
"	O
The	O
companies	O
will	O
also	O
explore	O
interoperability	O
between	O
Skype	B-Application
and	O
Google	B-Application
Talk	O
via	O
open	O
standards	O
to	O
enable	O
text	B-Protocol
chat	I-Protocol
and	O
online	O
presence.	O
"	O
</s>
<s>
However	O
,	O
with	O
Microsoft	O
's	O
acquisition	O
of	O
Skype	B-Application
on	O
May	O
10	O
,	O
2011	O
,	O
such	O
interoperability	O
was	O
suspended	O
between	O
Google	B-Application
and	O
eBay	O
.	O
</s>
<s>
Google	B-Application
integrated	O
Google	B-Application
Talk	O
with	O
Orkut	B-Application
on	O
November	O
8	O
,	O
2006	O
.	O
</s>
<s>
On	O
March	O
14	O
,	O
2007	O
,	O
Google	B-Application
released	O
the	B-Application
Google	I-Application
Talk	O
Gadget	O
,	O
an	O
Adobe	O
Flash-based	O
Talk	O
module	O
that	O
could	O
be	O
added	O
to	O
iGoogle	O
(	O
formally	O
the	B-Application
Google	I-Application
Personalized	O
Homepage	O
)	O
or	O
embedded	O
in	O
any	O
web	O
page	O
,	O
thus	O
,	O
allowing	O
chat	B-Protocol
from	O
any	O
operating	O
system	O
which	O
was	O
supported	O
by	O
Adobe	B-Operating_System
Flash	I-Operating_System
Player	I-Operating_System
as	O
long	O
as	O
Adobe	B-Operating_System
Flash	I-Operating_System
Player	I-Operating_System
was	O
installed	O
.	O
</s>
<s>
A	O
screen	O
shot	O
was	O
posted	O
on	O
May	O
18	O
,	O
2007	O
,	O
as	O
part	O
of	O
the	B-Application
Google	I-Application
Apps	O
presentation	O
,	O
showing	O
some	O
phone	O
integration	O
in	O
Google	B-Application
Talk	O
.	O
</s>
<s>
On	O
March	O
2	O
,	O
2008	O
.	O
a	O
Google	B-Application
engineer	O
confirmed	O
they	O
had	O
been	O
using	O
it	O
internally	O
for	O
some	O
time	O
.	O
</s>
<s>
On	O
November	O
26	O
,	O
2007	O
,	O
Google	B-Application
Talk	O
released	O
Group	O
Chat	B-Protocol
capabilities	O
.	O
</s>
<s>
Before	O
this	O
,	O
users	O
could	O
chat	B-Protocol
with	O
only	O
one	O
person	O
per	O
window	O
.	O
</s>
<s>
Group	O
chat	B-Protocol
allowed	O
many	O
users	O
to	O
chat	B-Protocol
with	O
each	O
other	O
in	O
an	O
environment	O
similar	O
to	O
IRC	B-Protocol
.	O
</s>
<s>
On	O
December	O
6	O
,	O
2007	O
,	O
Google	B-Application
upgraded	O
its	O
Gmail	B-Application
integrated	O
chat	B-Protocol
to	O
include	O
AOL	B-Protocol
Instant	I-Protocol
Messenger	I-Protocol
chat	B-Protocol
capability	O
.	O
</s>
<s>
This	O
allowed	O
Gmail	B-Application
users	O
to	O
sign	O
into	O
the	O
AIM	O
chat	B-Protocol
service	O
and	O
communicate	O
with	O
any	O
AIM	O
user	O
while	O
still	O
being	O
signed	O
on	O
to	O
the	B-Application
Google	I-Application
Talk	O
service	O
.	O
</s>
<s>
The	B-Application
Google	I-Application
Talk	O
gadget	O
and	O
client	B-Protocol
had	O
not	O
been	O
upgraded	O
to	O
enable	O
this	O
feature	O
,	O
and	O
no	O
announcement	O
had	O
been	O
made	O
as	O
to	O
when	O
it	O
would	O
be	O
made	O
available	O
.	O
</s>
<s>
On	O
February	O
25	O
,	O
2008	O
,	O
Google	B-Application
added	O
a	O
feature	O
called	O
"	O
Chatback	O
"	O
,	O
which	O
allowed	O
a	O
Google	B-Application
Talk	O
account	O
owner	O
to	O
chat	B-Protocol
with	O
people	O
who	O
did	O
not	O
have	O
one	O
.	O
</s>
<s>
Clicking	O
on	O
the	O
badge	O
resulted	O
in	O
a	O
chat	B-Protocol
request	O
notification	O
to	O
the	O
owner	O
who	O
could	O
respond	O
by	O
clicking	O
on	O
the	O
specified	O
URL	O
.	O
</s>
<s>
During	O
the	O
conversation	O
,	O
both	O
parties	O
had	O
to	O
use	O
the	B-Application
Google	I-Application
Talk	O
Gadget	O
and	O
both	O
parties	O
remained	O
anonymous	O
to	O
each	O
other	O
,	O
even	O
the	B-Application
Google	I-Application
Account	O
name	O
of	O
the	O
owner	O
was	O
not	O
revealed	O
to	O
the	O
other	O
peer	O
.	O
</s>
<s>
On	O
November	O
11	O
,	O
2008	O
,	O
Google	B-Application
Chat	I-Application
(	O
voice	O
and	O
video	O
chat	B-Protocol
)	O
was	O
launched	O
enabling	O
computer	O
to	O
computer	O
voice	O
and	O
video	O
chat	B-Protocol
.	O
</s>
<s>
Clues	O
from	O
one	O
of	O
the	O
first	O
Google	B-Application
Chrome	I-Application
builds	O
in	O
December	O
2008	O
suggested	O
that	O
a	O
new	O
Talk	O
client	B-Protocol
was	O
in	O
the	O
works	O
.	O
</s>
<s>
As	O
XMPP	B-Protocol
Jingle	B-Protocol
specifications	O
became	O
a	O
Draft	O
Standard	O
,	O
Google	B-Application
updated	O
libjingle	B-Protocol
to	O
version	O
0.5.1	O
and	O
stated	O
that	O
"	O
Google	B-Application
Talk	O
is	O
in	O
the	O
process	O
of	O
being	O
updated	O
to	O
be	O
in	O
full	O
compliance	O
with	O
the	O
Jingle	B-Protocol
specifications.	O
"	O
</s>
<s>
Google	B-Application
had	O
a	O
version	O
of	O
Google	B-Application
Talk	O
called	O
Google	B-Application
Talk	O
,	O
Labs	O
Edition	O
,	O
though	O
it	O
lacked	O
many	O
features	O
of	O
Google	B-Application
Talk	O
's	O
other	O
releases	O
.	O
</s>
<s>
On	O
April	O
20	O
,	O
2012	O
,	O
Google	B-Application
announced	O
that	O
it	O
was	O
shutting	O
down	O
the	O
mobile	O
web	O
app	O
for	O
Google	B-Application
Talk	O
.	O
</s>
<s>
In	O
June	O
2012	O
,	O
Google	B-Application
announced	O
that	O
they	O
were	O
planning	O
to	O
revamp	O
the	O
chat	B-Protocol
experience	O
by	O
merging	O
Google	B-Application
Talk	O
with	O
Hangouts	B-Protocol
and	O
Google	B-Application
Messenger	O
to	O
reduce	O
confusion	O
and	O
fragmentation	O
.	O
</s>
<s>
At	O
the	B-Application
Google	I-Application
I/O	O
Conference	O
2013	O
Google	B-Application
announced	O
that	O
they	O
were	O
replacing	O
Google	B-Application
Talk	O
,	O
Google+	B-Application
Messenger	O
and	O
the	O
original	O
Google+	B-Application
Hangout	I-Application
video	O
chat	B-Protocol
service	O
with	O
Google+	B-Application
Hangouts	I-Application
.	O
</s>
<s>
On	O
May	O
15	O
,	O
2013	O
,	O
Google	B-Application
's	I-Application
manager	O
of	O
real-time	O
communication	O
products	O
,	O
Nikhyl	O
Singhal	O
,	O
stated	O
at	O
Google	B-Application
I/O	O
that	O
the	O
move	O
to	O
Google+	B-Application
Hangouts	I-Application
would	O
mean	O
that	O
XMPP	B-Protocol
(	O
the	O
protocol	O
that	O
allowed	O
Google	B-Application
Talk	O
to	O
interoperate	O
with	O
other	O
vendors	O
and	O
applications	O
)	O
will	O
not	O
be	O
supported	O
in	O
Hangouts	B-Protocol
.	O
</s>
<s>
Mr.	O
Singhal	O
stated	O
that	O
as	O
long	O
as	O
Google	B-Application
Talk	O
was	O
available	O
,	O
3rd	O
party	O
clients	O
could	O
be	O
expected	O
to	O
continue	O
to	O
work	O
.	O
</s>
<s>
On	O
October	O
30	O
,	O
2014	O
,	O
Google	B-Application
announced	O
on	O
their	O
Apps	O
Updates	O
blog	O
that	O
"	O
The	B-Application
Google	I-Application
Talk	O
app	O
for	O
Windows	B-Application
will	O
continue	O
to	O
work	O
for	O
approximately	O
two	O
months	O
before	O
being	O
turned	O
off	O
"	O
.	O
</s>
<s>
On	O
February	O
3	O
,	O
2015	O
,	O
Google	B-Application
sent	O
a	O
system	O
message	O
to	O
users	O
stating	O
,	O
"	O
Google	B-Application
Talk	O
app	O
for	O
Windows	B-Application
will	O
stop	O
working	O
on	O
Feb	O
16	O
,	O
2015	O
.	O
</s>
<s>
It	O
is	O
replaced	O
by	O
the	O
new	O
Hangouts	B-Protocol
Chrome	B-Application
app.	O
"	O
</s>
<s>
On	O
February	O
13	O
,	O
2015	O
,	O
Google	B-Application
developer	O
Mayur	O
Kamat	O
posted	O
a	O
clarification	O
that	O
XMPP	B-Protocol
service	O
relied-on	O
by	O
third-party	O
chat	B-Protocol
apps	O
would	O
continue	O
after	O
the	O
deprecation	O
of	O
the	O
Windows-specific	O
Google	B-Application
Talk	O
client	B-Protocol
.	O
</s>
<s>
After	O
Google	B-Application
officially	O
stopped	O
supporting	O
Google	B-Application
Talk	O
for	O
Windows	B-Application
on	O
February	O
23	O
,	O
2015	O
,	O
the	O
application	O
continued	O
to	O
function	O
normally	O
during	O
an	O
apparent	O
grace	O
period	O
lasting	O
until	O
February	O
28	O
.	O
</s>
<s>
Those	O
users	O
received	O
a	O
notification	O
e-mail	O
stating	O
,	O
in	O
part	O
:	O
"	O
We	O
noticed	O
you	O
recently	O
tried	O
using	O
the	B-Application
Google	I-Application
Talk	O
app	O
for	O
Windows	B-Application
.	O
</s>
<s>
We	O
recommend	O
giving	O
Hangouts	B-Protocol
a	O
try	O
so	O
you	O
can	O
chat	B-Protocol
with	O
all	O
your	O
Google	B-Application
contacts.	O
"	O
</s>
<s>
The	B-Application
Google	I-Application
Talk	O
for	O
Windows	B-Application
application	O
would	O
purportedly	O
still	O
work	O
by	O
connecting	O
through	O
applications	O
using	O
the	O
Jabber	B-Protocol
protocol	I-Protocol
including	O
Pidgin	B-Protocol
and	O
Gajim	O
but	O
could	O
not	O
connect	O
directly	O
through	O
Google	B-Application
or	O
Gmail	B-Application
.	O
</s>
<s>
The	B-Application
Google	I-Application
Talk	O
App	O
for	O
Android	B-Application
and	O
the	B-Application
Google	I-Application
Chat	B-Protocol
tool	O
in	O
Gmail	B-Application
were	O
discontinued	O
on	O
June	O
26	O
,	O
2017	O
,	O
and	O
no	O
longer	O
functioned	O
.	O
</s>
<s>
Users	O
could	O
still	O
continue	O
to	O
use	O
third-party	O
XMPP	B-Protocol
clients	O
to	O
connect	O
to	O
the	O
legacy	O
Google	B-Application
talk	O
server	O
,	O
but	O
only	O
for	O
1-on-1	O
chat	B-Protocol
with	O
Hangouts	B-Protocol
users	O
.	O
</s>
<s>
In	O
May	O
2022	O
,	O
Google	B-Application
announced	O
that	O
the	O
ability	O
to	O
connect	O
to	O
Google	B-Application
Talk	O
using	O
third-party	O
apps	O
,	O
which	O
were	O
the	O
only	O
remaining	O
way	O
to	O
connect	O
to	O
Google	B-Application
Talk	O
,	O
would	O
be	O
shut	O
down	O
on	O
June	O
16	O
,	O
2022	O
,	O
rendering	O
the	O
service	O
defunct	O
.	O
</s>
