<s>
Jaiku	B-Protocol
was	O
a	O
social	O
networking	O
,	O
micro-blogging	B-Application
and	O
lifestreaming	O
service	O
comparable	O
to	O
Twitter	B-Application
,	O
founded	O
a	O
month	O
before	O
the	O
latter	O
.	O
</s>
<s>
Jaiku	B-Protocol
was	O
founded	O
in	O
February	O
2006	O
by	O
Jyri	B-Protocol
Engeström	I-Protocol
and	O
Petteri	O
Koponen	O
from	O
Finland	O
and	O
launched	O
in	O
July	O
of	O
that	O
year	O
.	O
</s>
<s>
It	O
was	O
purchased	O
by	O
Google	B-Application
on	O
October	O
9	O
,	O
2007	O
.	O
</s>
<s>
When	O
Jaiku	B-Protocol
Ltd	I-Protocol
was	O
an	O
independent	O
company	O
,	O
its	O
head	O
office	O
was	O
in	O
Helsinki	O
.	O
</s>
<s>
Jaiku	B-Protocol
was	O
created	O
in	O
February	O
2006	O
by	O
Helsinki-based	O
Jaiku	B-Protocol
Ltd	I-Protocol
.	I-Protocol
</s>
<s>
The	O
founders	O
of	O
Jaiku	B-Protocol
chose	O
the	O
name	O
because	O
the	O
posts	O
on	O
Jaiku	B-Protocol
resembled	O
Japanese	O
haiku	B-Language
.	O
</s>
<s>
On	O
January	O
14	O
,	O
2009	O
,	O
it	O
was	O
announced	O
that	O
Google	B-Application
would	O
be	O
open-sourcing	O
the	O
product	O
but	O
would	O
"	O
no	O
longer	O
actively	O
develop	O
the	O
Jaiku	B-Protocol
codebase	O
,	O
"	O
instead	O
leaving	O
development	O
to	O
a	O
"	O
passionate	O
volunteer	O
team	O
of	O
Googlers	B-Application
"	O
.	O
</s>
<s>
It	O
was	O
said	O
that	O
the	O
Jaiku	B-Protocol
team	O
would	O
also	O
help	O
Google	B-Application
on	O
its	O
upcoming	O
G	B-Application
phone	I-Application
project	O
.	O
</s>
<s>
On	O
March	O
12	O
,	O
2009	O
,	O
Jaiku	B-Protocol
was	O
re-launched	O
on	O
Google	B-Application
's	I-Application
App	B-Application
Engine	I-Application
platform	O
and	O
on	O
March	O
13	O
,	O
2009	O
the	O
source	O
code	O
to	O
JaikuEngine	O
(	O
the	O
open	O
source	O
equivalent	O
of	O
the	O
jaiku.com	B-Protocol
codebase	O
)	O
was	O
released	O
.	O
</s>
<s>
The	O
intent	O
was	O
to	O
compete	O
in	O
the	O
enterprise	O
microblogging	B-Application
arena	O
with	O
a	O
fully	O
customizable	O
microblogging	B-Application
offer	O
.	O
</s>
<s>
On	O
October	O
14	O
,	O
2011	O
,	O
Google	B-Application
announced	O
that	O
Jaiku	B-Protocol
would	O
be	O
shut	O
down	O
by	O
January	O
15	O
,	O
2012	O
.	O
</s>
<s>
This	O
announcement	O
came	O
around	O
the	O
same	O
time	O
Google	B-Application
shut	O
down	O
Google	B-Application
Buzz	I-Application
and	O
iGoogle	B-Application
's	O
social	O
features	O
.	O
</s>
<s>
On	O
November	O
29	O
,	O
2011	O
,	O
a	O
group	O
of	O
former	O
users	O
launched	O
Jaikuarchive.com	O
–	O
The	O
Jaiku	B-Protocol
Presence	O
archiver	O
"	O
to	O
save	O
an	O
important	O
part	O
of	O
our	O
digital	O
heritage.	O
"	O
</s>
<s>
As	O
of	O
February	O
2019	O
,	O
the	O
domain	O
led	O
to	O
an	O
error	O
page	O
on	O
Google	B-Application
's	I-Application
servers	O
.	O
</s>
<s>
Jaiku	B-Protocol
consisted	O
of	O
a	O
website	O
,	O
a	O
mobile	O
website	O
and	O
a	O
client	O
application	O
which	O
acts	O
as	O
a	O
replacement	O
address	O
book	O
that	O
runs	O
on	O
S60	B-Language
phones	I-Language
.	O
</s>
<s>
Jaiku	B-Protocol
was	O
compatible	O
with	O
Nokia	B-Language
S60	I-Language
platform	O
mobile	O
devices	O
through	O
its	O
Jaiku	B-Protocol
Mobile	O
client	O
software	O
.	O
</s>
<s>
The	O
software	O
allowed	O
users	O
to	O
make	O
posts	O
through	O
the	O
software	O
onto	O
their	O
Jaiku	B-Protocol
page	O
.	O
</s>
<s>
Jaiku	B-Protocol
released	O
their	O
API	B-General_Concept
,	O
which	O
allowed	O
programmers	O
to	O
make	O
their	O
own	O
third	B-General_Concept
party	I-General_Concept
software	I-General_Concept
components	I-General_Concept
such	O
as	O
Feedalizr	B-Application
.	O
</s>
<s>
One	O
of	O
the	O
main	O
differences	O
between	O
Jaiku	B-Protocol
and	O
its	O
competitor	O
Twitter	B-Application
was	O
Lifestream	O
,	O
an	O
internet	O
feed	O
that	O
shared	O
users	O
online	O
activities	O
utilizing	O
other	O
programs	O
such	O
as	O
Flickr	B-Algorithm
for	O
photos	O
,	O
last.fm	B-Application
for	O
music	O
,	O
and	O
location	O
by	O
mobile	O
phone	O
.	O
</s>
<s>
Since	O
Jaiku	B-Protocol
became	O
open-source	O
,	O
the	O
Lifestream	O
function	O
was	O
removed	O
.	O
</s>
<s>
Jaiku.com	B-Protocol
allowed	O
users	O
to	O
post	O
their	O
thoughts	O
,	O
opinions	O
,	O
and	O
comments	O
in	O
regards	O
to	O
their	O
lives	O
or	O
any	O
other	O
subject	O
.	O
</s>
<s>
The	O
posts	O
that	O
users	O
created	O
were	O
called	O
"	O
Jaikus	B-Protocol
"	O
and	O
users	O
had	O
the	O
option	O
of	O
making	O
them	O
publicly	O
visible	O
or	O
private	O
.	O
</s>
