<s>
Google	B-Application
URL	I-Application
Shortener	I-Application
,	O
also	O
known	O
as	O
goo.gl,	O
was	O
a	O
URL	O
shortening	O
service	O
owned	O
by	O
Google	B-Application
.	I-Application
</s>
<s>
It	O
was	O
launched	O
in	O
December	O
2009	O
,	O
initially	O
used	O
for	O
Google	B-Protocol
Toolbar	I-Protocol
and	O
Feedburner	B-Application
.	O
</s>
<s>
The	O
company	O
launched	O
a	O
separate	O
website	O
,	O
goo.gl,	O
in	O
September	O
2010	O
.	O
</s>
<s>
The	O
user	O
could	O
access	O
a	O
list	O
of	O
URLs	O
that	O
had	O
been	O
shortened	O
in	O
the	O
past	O
after	O
logging	O
in	O
to	O
their	O
Google	B-Application
Account	I-Application
.	O
</s>
<s>
For	O
security	O
,	O
Google	B-Application
added	O
automatic	O
spam	O
system	O
detection	O
based	O
on	O
the	O
same	O
type	O
of	O
filtering	O
technology	O
used	O
in	O
Gmail	B-Application
.	O
</s>
<s>
The	O
service	O
has	O
not	O
been	O
accepting	O
new	O
users	O
since	O
April	O
13	O
,	O
2018	O
and	O
Google	B-Application
discontinued	O
the	O
service	O
for	O
existing	O
users	O
on	O
March	O
30	O
,	O
2019	O
.	O
</s>
