<s>
Spoiler	B-Application
Shield	I-Application
was	O
an	O
iOS	B-Application
and	O
Android	B-Application
app	O
designed	O
to	O
block	O
spoilers	O
of	O
popular	O
television	O
shows	O
and	O
sports	O
games	O
on	O
Facebook	O
and	O
Twitter	O
.	O
</s>
<s>
Using	O
a	O
proprietary	B-Application
algorithm	O
,	O
Spoiler	B-Application
Shield	I-Application
filtered	O
the	O
users	O
Facebook	O
and/or	O
Twitter	O
feeds	O
avoiding	O
any	O
post	O
that	O
could	O
potentially	O
give	O
away	O
the	O
outcome	O
of	O
a	O
show	O
or	O
game	O
.	O
</s>
<s>
It	O
was	O
able	O
to	O
block	O
spoilers	O
from	O
over	O
30	O
television	O
shows	O
(	O
including	O
American	O
Horror	O
Story	O
,	O
Boardwalk	O
Empire	O
,	O
and	O
Project	O
Runway	O
)	O
,	O
as	O
well	O
as	O
sports	O
games	O
from	O
every	O
team	O
of	O
the	O
NFL	B-Application
,	O
MLB	O
and	O
NBA	B-Application
.	O
</s>
<s>
Spoiler	B-Application
Shield	I-Application
was	O
founded	O
by	O
Josh	O
Solt	O
and	O
Matthew	O
Loew	O
in	O
2013	O
.	O
</s>
