<s>
Plex	B-Application
is	O
an	O
American	O
streaming	O
media	O
service	O
and	O
a	O
client	B-Operating_System
–	I-Operating_System
server	I-Operating_System
media	O
player	O
platform	O
,	O
made	O
by	O
Plex	B-Application
,	I-Application
Inc	I-Application
.	I-Application
</s>
<s>
The	O
Plex	B-Application
Media	B-Application
Server	I-Application
organizes	O
video	O
,	O
audio	O
,	O
and	O
photos	O
from	O
a	O
user	O
's	O
collections	O
and	O
from	O
online	O
services	O
,	O
and	O
streams	O
it	O
to	O
the	O
players	O
.	O
</s>
<s>
The	O
official	O
clients	O
and	O
unofficial	O
third-party	O
clients	O
run	O
on	O
mobile	B-Application
devices	I-Application
,	O
smart	B-Device
TVs	I-Device
,	O
streaming	B-Application
boxes	I-Application
,	O
and	O
in	O
web	B-Application
apps	I-Application
.	O
</s>
<s>
Plex	B-Application
began	O
as	O
a	O
freeware	B-License
hobby	O
project	O
in	O
December	O
2007	O
when	O
developer	O
Elan	O
Feingold	O
created	O
a	O
media	O
center	O
application	O
for	O
his	O
Apple	B-Device
Mac	I-Device
.	O
</s>
<s>
He	O
ported	O
the	O
media	O
player	O
XBMC	B-Application
(	O
since	O
renamed	O
Kodi	B-Application
)	O
to	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
.	O
</s>
<s>
Around	O
the	O
same	O
time	O
,	O
Cayce	O
Ullman	O
and	O
Scott	O
Olechowskisoftware	O
executives	O
who	O
had	O
recently	O
sold	O
their	O
previous	O
company	O
to	O
Ciscowere	O
also	O
looking	O
to	O
port	O
XBMC	B-Application
to	O
OS	B-Operating_System
X	I-Operating_System
,	O
and	O
noticed	O
Feingold	O
's	O
progress	O
via	O
XBMC	B-Application
online	B-Application
forums	I-Application
.	O
</s>
<s>
The	O
team	O
released	O
early	O
versions	O
of	O
the	O
port	O
,	O
called	O
OSXBMC	O
,	O
intended	O
for	O
eventual	O
full	O
integration	O
into	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
.	O
</s>
<s>
The	O
developers	O
continued	O
collaborating	O
with	O
the	O
Linux-based	O
XBMC	B-Application
project	O
until	O
May	O
21	O
,	O
2008	O
.	O
</s>
<s>
Due	O
to	O
different	O
goals	O
and	O
vision	O
from	O
the	O
XBMC	B-Application
team	O
,	O
they	O
soon	O
forked	O
the	O
code	O
to	O
become	O
Plex	B-Application
,	O
and	O
published	O
it	O
on	O
GitHub	B-Application
.	O
</s>
<s>
The	O
OSXBMC	O
code	O
was	O
kept	O
roughly	O
in	O
sync	O
with	O
the	O
upstream	O
XBMC	B-Application
code	O
.	O
</s>
<s>
In	O
December	O
2009	O
,	O
the	O
US-based	O
Plex	B-Application
,	I-Application
Inc	I-Application
.	I-Application
was	O
founded	O
with	O
Ullman	O
as	O
CEO	O
and	O
Feingold	O
as	O
CTO	O
.	O
</s>
<s>
At	O
that	O
time	O
,	O
Plex	B-Application
had	O
130	O
apps	O
,	O
the	O
most	O
popular	O
of	O
which	O
were	O
viewers	O
for	O
Apple	O
Movies	O
Trailers	O
,	O
YouTube	B-General_Concept
,	O
Hulu	B-Application
,	O
Netflix	O
,	O
MTV	O
Music	O
Videos	O
,	O
BBC	B-Application
iPlayer	I-Application
,	O
and	O
Vimeo	O
.	O
</s>
<s>
Feingold	O
declared	O
Plex	B-Application
apps	O
had	O
been	O
downloaded	O
about	O
one	O
million	O
times	O
.	O
</s>
<s>
,	O
Plex	B-Application
had	O
65	O
employees	O
.	O
</s>
<s>
In	O
December	O
2019	O
,	O
Plex	B-Application
,	I-Application
Inc	I-Application
.	I-Application
announced	O
ad-supported	O
video	B-Application
on	I-Application
demand	I-Application
(	O
AVOD	O
)	O
of	O
TV	O
shows	O
and	O
movies	O
available	O
globally	O
to	O
free	O
Plex	B-Application
accounts	O
,	O
from	O
publishers	O
including	O
Warner	O
Bros	O
.	O
</s>
<s>
Plex	B-Application
is	O
a	O
media	O
player	O
system	O
with	O
a	O
client	B-Operating_System
–	I-Operating_System
server	I-Operating_System
model	I-Operating_System
.	O
</s>
<s>
Plex	B-Application
Media	B-Application
Server	I-Application
(	O
PMS	O
)	O
stores	O
,	O
organizes	O
,	O
and	O
streams	O
all	O
content	O
;	O
the	O
playback	O
client	O
applications	O
run	O
on	O
myriad	O
devices	O
and	O
web	O
browsers	O
.	O
</s>
<s>
PMS	O
is	O
the	O
back-end	B-Architecture
component	O
,	O
free	O
of	O
charge	O
.	O
</s>
<s>
It	O
can	O
acquire	O
content	O
from	O
files	O
,	O
iTunes	B-Operating_System
,	O
iPhoto	B-Operating_System
,	O
Aperture	B-Operating_System
,	O
or	O
the	O
Internet	O
,	O
and	O
automatically	O
organize	O
them	O
by	O
metadata	O
tags	O
such	O
as	O
title	O
,	O
artist	O
,	O
album	O
,	O
genre	O
,	O
year	O
,	O
and	O
popularity	O
.	O
</s>
<s>
PMS	O
can	O
run	O
on	O
Windows	B-Application
,	O
macOS	B-Application
,	O
Linux	B-Application
,	O
FreeBSD	B-Operating_System
,	O
NAS	B-Application
devices	O
,	O
or	O
on	O
Nvidia	B-Application
Shield	I-Application
TV	I-Application
.	O
</s>
<s>
The	O
front-end	B-Architecture
player	O
apps	O
are	O
Plex	B-Application
,	O
Plex	B-Application
Web	B-Application
App	I-Application
,	O
Plexamp	O
,	O
and	O
Plex	B-Application
Dash	O
.	O
</s>
<s>
The	O
Plex	B-Application
app	O
is	O
the	O
successor	O
to	O
the	O
Plex	B-Application
Media	O
Player	O
,	O
and	O
runs	O
on	O
a	O
multitude	O
of	O
platforms	O
:	O
Amazon	O
Appstore	O
,	O
Android	B-Application
,	O
Apple	B-Device
TV	I-Device
,	O
Android	B-Application
TV	I-Application
,	O
Chromecast	B-Device
,	O
Roku	O
,	O
iOS	B-Application
,	O
PlayStation	B-Device
,	O
Sonos	B-Algorithm
,	O
Oculus	O
Go	O
,	O
webOS	B-Operating_System
,	O
Tizen	B-Application
,	O
Windows	B-Application
,	O
Xbox	B-Protocol
,	O
and	O
macOS	B-Application
.	O
</s>
<s>
Free	O
Plex	B-Application
accounts	O
can	O
share	O
personal	O
media	O
libraries	O
among	O
a	O
user	O
's	O
own	O
collection	O
of	O
devices	O
or	O
to	O
friends	O
,	O
and	O
access	O
Plex	B-Application
,	O
Inc.	O
'	O
s	O
content	O
library	O
of	O
ad-supported	O
video	B-Application
on	I-Application
demand	I-Application
(	O
AVOD	O
)	O
and	O
free-to-stream	O
live	O
TV	O
channels	O
.	O
</s>
<s>
The	O
publishing	O
partners	O
have	O
included	O
Tidal	B-Application
,	O
Warner	O
Bros	O
.	O
Television	O
Studios	O
,	O
MGM	O
,	O
Lionsgate	O
,	O
Legendary	O
,	O
Crackle	O
,	O
Endemol	O
Shine	O
,	O
Shout	O
!	O
</s>
<s>
Plex	B-Application
Pass	O
is	O
the	O
optional	O
paid-subscription	O
service	O
including	O
mobile	O
synchronization	B-Application
,	O
metadata	O
fetching	O
for	O
music	O
,	O
multi-user	B-Operating_System
support	O
,	O
parental	O
controls	O
,	O
OTA	O
live	O
TV	O
and	O
DVR	O
,	O
trailers	O
,	O
extras	O
,	O
and	O
cross-selling	O
offers	O
.	O
</s>
