<s>
Ghost	O
is	O
a	O
free	O
and	O
open	B-Application
source	I-Application
blogging	O
platform	O
written	O
in	O
JavaScript	B-Language
and	O
distributed	O
under	O
the	B-License
MIT	I-License
License	I-License
,	O
designed	O
to	O
simplify	O
the	O
process	O
of	O
online	O
publishing	O
for	O
individual	O
bloggers	O
as	O
well	O
as	O
online	O
publications	O
.	O
</s>
<s>
The	O
idea	O
for	O
the	O
Ghost	O
platform	O
was	O
first	O
written	O
about	O
at	O
the	O
start	O
of	O
November	O
2012	O
,	O
in	O
a	O
blog	O
post	O
by	O
project	O
founder	O
John	O
O'Nolan	O
,	O
the	O
former	O
deputy	O
lead	O
for	O
the	O
WordPress	B-Application
User	O
Interface	O
team	O
,	O
after	O
becoming	O
frustrated	O
with	O
the	O
complexity	O
of	O
using	O
WordPress	B-Application
as	O
a	O
blog	O
rather	O
than	O
a	O
content	B-Protocol
management	I-Protocol
system	I-Protocol
.	O
</s>
<s>
On	O
October	O
14	O
,	O
2013	O
–	O
Ghost	O
was	O
made	O
available	O
for	O
the	O
first	O
time	O
as	O
an	O
extended-release	O
to	O
the	O
general	O
public	O
via	O
GitHub	B-Application
as	O
of	O
version	O
0.3.3	O
–	O
amended	O
with	O
bugfixes	O
and	O
security	O
updates	O
.	O
</s>
<s>
Some	O
notable	O
platform	O
users	O
include	O
IBM	O
,	O
Tinder	B-Application
,	O
Sky	O
News	O
,	O
VEVO	O
,	O
and	O
Zappos	O
.	O
</s>
<s>
As	O
the	O
hosted	O
platform	O
is	O
owned	O
and	O
operated	O
by	O
the	O
Ghost	O
Foundation	O
,	O
all	O
revenue	O
generated	O
from	O
the	O
service	O
is	O
subsequently	O
used	O
to	O
fund	O
further	O
development	O
of	O
the	O
open	B-Application
source	I-Application
software	I-Application
and	O
the	O
project	O
's	O
infrastructure	O
.	O
</s>
<s>
Ghost	O
is	O
coded	O
in	O
Node.js	B-Language
,	O
a	O
server-side	O
JavaScript	B-Language
execution	O
engine	O
,	O
and	O
an	O
Ember.js	B-Language
admin	O
client	O
.	O
</s>
<s>
Since	O
version	O
2.0	O
,	O
posts	O
can	O
be	O
written	O
using	O
a	O
WYSIWYG	B-Application
editor	I-Application
;	O
in	O
earlier	O
versions	O
,	O
only	O
Markdown	O
was	O
supported	O
.	O
</s>
<s>
Ghost	B-Protocol
CMS	I-Protocol
(	O
Content	B-Protocol
Management	I-Protocol
System	I-Protocol
)	O
can	O
be	O
used	O
as	O
either	O
a	O
traditional	O
or	O
headless	O
CMS	O
.	O
</s>
<s>
The	O
virus	O
affected	O
both	O
Ghost(Pro )	O
servers	O
and	O
Ghost.org	B-Protocol
billing	O
services	O
.	O
</s>
