<s>
Reblogging	B-General_Concept
(	O
or	O
,	O
in	O
Twitter	B-Application
parlance	O
,	O
retweeting	O
)	O
is	O
the	O
mechanism	O
in	O
blogging	O
which	O
allows	O
users	O
to	O
repost	B-General_Concept
the	O
content	O
of	O
another	O
user	O
's	O
post	O
with	O
an	O
indication	O
that	O
the	O
source	O
of	O
the	O
post	O
is	O
another	O
user	O
.	O
</s>
<s>
It	O
was	O
first	O
developed	O
by	O
Jonah	O
Peretti	O
at	O
Eyebeam	O
Art	O
and	O
Technology	O
Center	O
's	O
R&D	O
program	O
under	O
the	O
project	O
'	O
Reblog	B-General_Concept
 '	O
(	O
from	O
where	O
the	O
term	O
originates	O
)	O
as	O
an	O
open-source	O
tool	O
for	O
individually-run	O
blogs	O
.	O
</s>
<s>
Tumblr	B-Application
then	O
built	O
it	O
into	O
their	O
social	O
network	O
for	O
re-sharing	O
posts	O
within	O
the	O
network	O
,	O
and	O
similar	O
features	O
(	O
"	O
Retweet	O
"	O
on	O
Twitter	B-Application
,	O
"	O
Share	O
"	O
on	O
Facebook	B-Application
)	O
then	O
followed	O
.	O
</s>
<s>
For	O
a	O
number	O
of	O
microblogging	O
and	O
social	O
networking	O
services	O
,	O
reblogging	B-General_Concept
has	O
become	O
a	O
means	O
of	O
both	O
social	B-General_Concept
bookmarking	I-General_Concept
and	O
user	O
commentary	O
;	O
unlike	O
social	O
news	O
services	O
like	O
Digg	B-Application
,	O
Slashdot	O
,	O
and	O
Reddit	B-Application
,	O
however	O
,	O
reblogging	B-General_Concept
typically	O
does	O
not	O
involve	O
a	O
centralized	O
"	O
front	O
page	O
"	O
to	O
which	O
the	O
highest-ranked	O
post	O
is	O
appended	O
.	O
</s>
<s>
Reblogging	B-General_Concept
(	O
and	O
the	O
increased	O
attention	O
paid	O
to	O
the	O
indexing	O
and	O
encouragement	O
of	O
reblogging	B-General_Concept
)	O
has	O
become	O
a	O
major	O
feature	O
of	O
many	O
social	O
networking	O
sites	O
and	O
content-hosting	O
services	O
,	O
and	O
it	O
has	O
also	O
become	O
a	O
potent	O
means	O
of	O
secondary	O
content	O
promotion	O
and	O
audience	O
measurement	O
whereby	O
links	O
to	O
external	O
content	O
are	O
syndicated	O
across	O
multiple	O
profiles	O
and	O
the	O
reposts	B-General_Concept
are	O
indexed	O
as	O
a	O
measurement	O
of	O
currency	O
and	O
relevance	O
.	O
</s>
<s>
A	O
historical	O
precedent	O
to	O
reblogging	B-General_Concept
is	O
the	O
viral	O
nature	O
of	O
e-mail	O
,	O
as	O
"	O
Internet	B-Application
petitions	I-Application
"	O
and	O
"	O
chain	O
e-mails	O
"	O
which	O
encouraged	O
e-mail	O
users	O
to	O
"	O
resend	O
"	O
the	O
e-mail	O
to	O
at	O
least	O
a	O
minimum	O
number	O
of	O
contacts	O
on	O
one	O
's	O
contact	O
list	O
were	O
highly	O
popular	O
(	O
and	O
highly	O
controversial	O
)	O
in	O
the	O
1980s	O
and	O
1990s	O
.	O
</s>
<s>
With	O
the	O
rise	O
of	O
micro-blogging	O
in	O
the	O
latter	O
2000s	O
,	O
however	O
,	O
user	O
moderation	O
on	O
front	O
pages	O
was	O
de-emphasized	O
as	O
a	O
feature	O
in	O
favor	O
of	O
"	O
reblogs	B-General_Concept
"	O
on	O
user	O
profiles	O
,	O
which	O
were	O
usually	O
taken	O
by	O
bloggers	O
and	O
news	O
services	O
as	O
automatic	O
endorsement	O
of	O
an	O
original/linked	O
post	O
's	O
currency	O
,	O
if	O
not	O
popular	O
favor	O
.	O
</s>
<s>
Reblog	B-General_Concept
was	O
an	O
open-source	O
tool	O
made	O
at	O
Eyebeam	O
Art	O
and	O
Technology	O
Center	O
's	O
R&D	O
program	O
,	O
a	O
team	O
led	O
by	O
Jonah	O
Peretti	O
along	O
with	O
Michael	O
Frumin	O
,	O
Michael	O
Migurski	O
,	O
Alexander	O
R	O
.	O
Galloway	O
and	O
Boris	O
Anthony	O
.	O
</s>
<s>
'	O
Reblog	B-General_Concept
 '	O
was	O
an	O
open-source	O
tool	O
for	O
individually-run	O
blogs	O
,	O
with	O
many	O
early	O
new	O
media	O
artists	O
and	O
bloggers	O
using	O
the	O
tool	O
to	O
share	O
content	O
from	O
one	O
blog	O
on	O
another	O
.	O
</s>
<s>
In	O
2007	O
,	O
Tumblr	B-Application
,	O
a	O
blogging	O
service	O
and	O
network	O
,	O
launched	O
.	O
</s>
<s>
It	O
is	O
profile-driven	O
and	O
hierarchical	O
in	O
its	O
facilitation	O
of	O
"	O
reblogs	B-General_Concept
"	O
.	O
</s>
<s>
An	O
original	O
post	O
by	O
one	O
Tumblr	B-Application
user	O
is	O
reblogged	B-General_Concept
by	O
another	O
user	O
by	O
embedding	O
a	O
quote	O
of	O
the	O
original	O
post	O
,	O
link	O
and	O
publishing	O
username	O
in	O
the	O
repost	B-General_Concept
,	O
with	O
the	O
option	O
of	O
making	O
a	O
comment	O
in	O
reply	O
to	O
the	O
previous	O
post	O
.	O
</s>
<s>
A	O
feature	O
of	O
this	O
method	O
that	O
distinguishes	O
Tumblr	B-Application
from	O
Twitter	B-Application
is	O
that	O
less	O
emphasis	O
is	O
placed	O
upon	O
reblogging	B-General_Concept
only	O
the	O
original	O
post	O
,	O
resulting	O
in	O
often	O
highly	O
stacked	O
semi-threaded	O
conversations	O
which	O
are	O
indexed	O
and	O
interpreted	O
by	O
the	O
Tumblr	B-Application
server	O
in	O
the	O
presented	O
manner	O
.	O
</s>
<s>
While	O
Twitter	B-Application
's	O
character	O
limit	O
allows	O
for	O
little	O
to	O
no	O
personal	O
response	O
,	O
a	O
Tumblr	B-Application
reblog	B-General_Concept
allows	O
for	O
an	O
endless	O
amount	O
of	O
interpretations	O
of	O
the	O
subject	O
matter	O
.	O
</s>
<s>
As	O
a	O
result	O
,	O
posts	O
to	O
Tumblr	B-Application
are	O
typically	O
shown	O
less	O
as	O
typical	O
blog	O
posts	O
(	O
as	O
offered	O
by	O
most	O
major	O
blog	O
providers	O
)	O
and	O
more	O
as	O
a	O
blend	O
of	O
both	O
Internet	B-Application
forum	I-Application
and	O
blog	O
features	O
.	O
</s>
<s>
Another	O
difference	O
between	O
the	O
two	O
platforms	O
is	O
that	O
Tumblr	B-Application
reblogs	B-General_Concept
are	O
more	O
often	O
visual	O
,	O
while	O
Twitter	B-Application
is	O
more	O
message-based	O
.	O
</s>
<s>
On	O
Twitter	B-Application
,	O
another	O
micro-blogging	O
service	O
,	O
the	O
"	O
retweet	O
"	O
phenomenon	O
began	O
in	O
March	O
2007	O
,	O
whereby	O
an	O
informal	O
protocol	O
slowly	O
developed	O
among	O
Twitter	B-Application
users	O
.	O
</s>
<s>
In	O
this	O
protocol	O
,	O
a	O
post	O
by	O
User	O
A	O
which	O
was	O
considered	O
notable	O
by	O
another	O
Twitter	B-Application
user	O
,	O
User	O
B	O
,	O
was	O
copied	O
by	O
User	O
B	O
and	O
reposted	O
under	O
User	O
B	O
's	O
account	O
and	O
prefixed	O
with	O
"	O
RT	O
@username	O
"	O
,	O
with	O
"	O
RT	O
"	O
meaning	O
"	O
retweet	O
"	O
.	O
</s>
<s>
The	O
at	O
sign	O
had	O
previously	O
been	O
developed	O
as	O
a	O
means	O
of	O
replying	O
to	O
Twitter	B-Application
posts	O
,	O
while	O
the	O
hashtag	O
protocol	O
would	O
later	O
be	O
developed	O
by	O
users	O
within	O
the	O
same	O
year	O
to	O
highlight	O
important	O
keywords	O
which	O
they	O
wished	O
to	O
be	O
indexed	O
in	O
a	O
search	O
engine	O
.	O
</s>
<s>
In	O
2009	O
,	O
the	O
"	O
retweet	O
"	O
phenomenon	O
would	O
experience	O
a	O
major	O
uptick	O
in	O
adoption	O
by	O
Twitter	B-Application
users	O
in	O
order	O
to	O
forward	O
SMS	O
posts	O
by	O
Iranian	O
observers	O
and	O
participants	O
in	O
the	O
events	O
following	O
the	O
Iranian	O
presidential	O
election	O
.	O
</s>
<s>
In	O
August	O
2009	O
,	O
Twitter	B-Application
officially	O
began	O
integrating	O
the	O
"	O
retweet	O
"	O
mechanism	O
by	O
replacing	O
the	O
string	O
"	O
RT	O
@username	O
"	O
with	O
a	O
retweet	O
symbol	O
emulating	O
Tumblr	B-Application
's	O
reblog	B-General_Concept
symbol	O
;	O
in	O
addition	O
,	O
retweet	O
buttons	O
were	O
added	O
to	O
all	O
Twitter	B-Application
posts	O
(	O
alongside	O
"	O
reply	O
"	O
)	O
and	O
,	O
by	O
August	O
2010	O
,	O
an	O
official	O
"	O
Tweet	O
button	O
"	O
was	O
developed	O
and	O
launched	O
by	O
Twitter	B-Application
for	O
external	O
websites	O
,	O
with	O
Twitter-based	O
application	O
developer	O
TweetMeme	O
agreeing	O
with	O
Twitter	B-Application
to	O
integrate	O
the	O
functionality	O
of	O
its	O
own	O
then-popular	O
button	O
into	O
Twitter	B-Application
's	O
official	O
button	O
.	O
</s>
<s>
As	O
such	O
,	O
Twitter	B-Application
is	O
a	O
powerful	O
flowing	O
social	O
medium	O
that	O
disseminates	O
instant	O
news	O
through	O
an	O
array	O
of	O
social	O
media	O
networks	O
.	O
</s>
<s>
The	O
Twitter	B-Application
platform	O
is	O
a	O
broadcasting	O
service	O
and	O
a	O
social	O
network	O
of	O
open	O
access	O
of	O
media	O
through	O
subscriptions	O
by	O
request	O
or	O
follow	O
.	O
</s>
<s>
Facebook	B-Application
,	O
while	O
not	O
promoting	O
itself	O
as	O
a	O
social	B-General_Concept
bookmarking	I-General_Concept
,	O
social	O
news	O
or	O
micro-blogging	O
service	O
,	O
eventually	O
also	O
began	O
allowing	O
users	O
to	O
share	O
links	O
to	O
and	O
comments	O
on	O
external	O
webpages	O
to	O
their	O
walls	O
,	O
and	O
notably	O
to	O
re-share	O
posts	O
from	O
other	O
users	O
 '	O
walls	O
with	O
a	O
single	O
click	O
of	O
an	O
attached	O
"	O
Share	O
"	O
link	O
,	O
"	O
reblog-style	O
"	O
.	O
</s>
<s>
In	O
addition	O
,	O
buttons	O
for	O
publishers	O
to	O
automatically	O
share	O
their	O
posts	O
on	O
Facebook	B-Application
and	O
index	O
the	O
current	O
number	O
of	O
user	O
links	O
to	O
the	O
linked	O
post	O
are	O
available	O
.	O
</s>
<s>
With	O
the	O
growing	O
popularity	O
of	O
reblogging	B-General_Concept
or	O
re-syndication	O
in	O
the	O
latter	O
2000s	O
and	O
early	O
2010s	O
,	O
a	O
number	O
of	O
analyses	O
have	O
been	O
offered	O
on	O
the	O
functionality	O
and	O
value	O
of	O
the	O
practice	O
.	O
</s>
<s>
Chris	O
Wetherell	O
,	O
creator	O
of	O
retweets	O
for	O
Twitter	B-Application
,	O
described	O
what	O
he	O
saw	O
as	O
negative	O
consequences	O
of	O
retweets	O
,	O
stating	O
,	O
"	O
We	O
might	O
have	O
just	O
handed	O
a	O
4-year-old	O
a	O
loaded	O
weapon	O
"	O
.	O
</s>
<s>
Jason	O
Goldman	O
from	O
Twitter	B-Application
described	O
quote	O
retweets	O
as	O
the	O
riskiest	O
form	O
of	O
retweet	O
,	O
stating	O
,	O
"	O
Quote	O
retweet	O
allows	O
for	O
the	O
dunk	O
.	O
</s>
<s>
RT	O
is	O
a	O
popular	O
acronym	O
on	O
social	O
networking	O
sites	O
such	O
as	O
Facebook	B-Application
and	O
Twitter	B-Application
,	O
meaning	O
'	O
Regards	O
To	O
 '	O
and	O
'	O
Re-Tweet	B-Application
'	O
respectively	O
.	O
</s>
