<s>
identi.ca	B-Protocol
was	O
a	O
free	B-Application
and	O
open-source	B-Application
social	O
networking	O
and	O
blogging	O
service	O
based	O
on	O
the	O
pump.io	B-Operating_System
software	O
,	O
using	O
the	O
Activity	B-Application
Streams	I-Application
protocol	O
.	O
</s>
<s>
Identi.ca	B-Protocol
stopped	O
accepting	O
new	O
registrations	O
in	O
2013	O
,	O
but	O
continues	O
to	O
operate	O
alongside	O
several	O
other	O
pump.io-based	O
hosts	O
provided	O
by	O
E14N	O
which	O
continue	O
to	O
accept	O
new	O
registrations	O
.	O
</s>
<s>
Identi.ca	B-Protocol
running	O
on	O
pump.io	B-Operating_System
is	O
similar	O
to	O
social	O
networking	O
sites	O
like	O
Facebook	B-Application
and	O
Google+	B-Application
,	O
allowing	O
unlimited	O
length	O
status	B-Application
updates	I-Application
,	O
rich	O
text	O
,	O
and	O
images	O
.	O
</s>
<s>
The	O
Activity	B-Application
Streams	I-Application
protocol	O
supports	O
many	O
kinds	O
of	O
activities	O
such	O
as	O
games	O
.	O
</s>
<s>
In	O
January	O
2009	O
,	O
identi.ca	B-Protocol
received	O
investment	O
funds	O
from	O
venture	O
capital	O
group	O
Montreal	O
Start	O
Up	O
.	O
</s>
<s>
On	O
March	O
30	O
,	O
2009	O
,	O
Control	O
Yourself	O
(	O
since	O
renamed	O
StatusNet	B-Protocol
Inc	O
)	O
announced	O
that	O
Identi.ca	B-Protocol
was	O
to	O
become	O
part	O
of	O
a	O
hosted	O
microblogging	B-Application
service	O
called	O
status.net	B-Protocol
to	O
be	O
launched	O
in	O
May	O
2009	O
.	O
</s>
<s>
Status.net	B-Protocol
offers	O
individual	O
microblogs	B-Application
under	O
a	O
subdomain	O
to	O
be	O
chosen	O
by	O
the	O
customer	O
.	O
</s>
<s>
Identi.ca	B-Protocol
will	O
remain	O
a	O
free	B-Application
service	O
.	O
</s>
<s>
All	O
notices	O
will	O
be	O
published	O
under	O
the	O
Creative	O
Commons	O
Attribution	O
3.0	O
license	O
by	O
default	O
,	O
but	O
paying	O
customers	O
will	O
be	O
free	B-Application
to	O
choose	O
a	O
different	O
license	O
.	O
</s>
<s>
Formerly	O
based	O
on	O
StatusNet	B-Protocol
,	O
a	O
micro-blogging	B-Application
software	O
package	O
built	O
on	O
the	O
OStatus	B-Application
specification	O
(	O
and	O
earlier	O
based	O
on	O
the	O
OpenMicroBlogging	B-Application
specification	O
)	O
,	O
Identi.ca	B-Protocol
allowed	O
users	O
to	O
send	O
text	O
updates	O
(	O
known	O
as	O
"	O
notices	O
"	O
)	O
up	O
to	O
140	B-Application
characters	I-Application
long	O
.	O
</s>
<s>
While	O
similar	O
to	O
Twitter	B-Application
in	O
both	O
concept	O
and	O
operation	O
,	O
Identi.ca/StatusNet	O
provided	O
many	O
features	O
not	O
currently	O
implemented	O
by	O
Twitter	B-Application
,	O
including	O
XMPP	B-Protocol
support	O
and	O
personal	O
tag	B-Application
clouds	I-Application
.	O
</s>
<s>
In	O
addition	O
,	O
Identi.ca/StatusNet	O
allowed	O
free	B-Application
export	O
and	O
exchange	O
of	O
personal	O
and	O
"	O
friend	O
"	O
data	O
based	O
on	O
the	O
FOAF	O
standard	O
;	O
therefore	O
,	O
notices	O
could	O
be	O
fed	O
into	O
a	O
Twitter	B-Application
account	I-Application
or	O
other	O
service	O
,	O
and	O
also	O
ported	O
in	O
to	O
a	O
private	O
system	O
similar	O
to	O
Yammer	B-Protocol
.	O
</s>
<s>
Developer	O
Evan	O
Prodromou	O
chose	O
to	O
change	O
the	O
site	O
to	O
the	O
pump.io	B-Operating_System
software	O
platform	O
in	O
development	O
,	O
because	O
pump.io	B-Operating_System
offers	O
more	O
features	O
making	O
it	O
technically	O
more	O
advanced	O
.	O
</s>
<s>
Registration	O
on	O
Identi.ca	B-Protocol
was	O
closed	O
in	O
December	O
2012	O
in	O
preparation	O
for	O
the	O
switch	O
to	O
pump.io	B-Operating_System
software	O
(	O
the	O
popularity	O
of	O
Identi.ca	B-Protocol
and	O
"	O
official	O
"	O
Status.net	B-Protocol
hosting	O
were	O
considered	O
a	O
hindrance	O
to	O
the	O
creation	O
of	O
a	O
federated	O
social	O
network	O
)	O
.	O
</s>
<s>
The	O
140	O
character	O
per	O
post	O
limit	O
was	O
removed	O
(	O
in	O
StatusNet	B-Protocol
,	O
it	O
was	O
a	O
setting	O
,	O
not	O
an	O
inherent	O
limitation	O
)	O
;	O
now	O
the	O
blog	O
posts	O
can	O
contain	O
formatting	O
and	O
images	O
.	O
</s>
<s>
Groups	O
,	O
hashtags	O
,	O
and	O
page	O
listing	O
popular	O
posts	O
are	O
not	O
yet	O
implemented	O
in	O
pump.io	B-Operating_System
.	O
</s>
