<s>
Popcorn.js	B-Language
is	O
an	O
open	B-Application
source	I-Application
JavaScript	B-Language
library	I-Language
for	O
HTML5	B-Application
media	O
developers	O
,	O
freely	O
available	O
under	O
the	B-License
MIT	I-License
License	I-License
.	O
</s>
<s>
It	O
uses	O
the	O
native	O
HTMLMediaElement	O
properties	O
,	O
methods	O
and	O
events	O
,	O
normalizes	O
them	O
into	O
an	O
API	B-General_Concept
,	O
and	O
provides	O
a	O
plugin	O
system	O
.	O
</s>
<s>
Extensible	O
support	O
for	O
playing	O
non-native	O
media	O
(	O
ex	O
:	O
YouTube	B-General_Concept
,	O
Vimeo	O
,	O
SoundCloud	O
)	O
is	O
available	O
through	O
the	O
normalized	O
API	B-General_Concept
via	O
wrappers	O
.	O
</s>
<s>
Popcorn.js	B-Language
is	O
part	O
of	O
a	O
Mozilla	B-Operating_System
program	O
to	O
promote	O
Web	O
video	O
creation	O
via	O
open	O
standards	O
,	O
and	O
though	O
outside	O
Web	O
development	O
communities	O
,	O
has	O
been	O
named	O
by	O
sources	O
such	O
as	O
Wired.com	O
as	O
one	O
of	O
technologies	O
with	O
the	O
greatest	O
potential	O
in	O
the	O
future	O
of	O
video	O
online	O
.	O
</s>
