<s>
The	O
Munching	B-Application
Square	I-Application
is	O
a	O
display	O
hack	O
dating	O
back	O
to	O
the	O
PDP-1	B-Device
(	O
ca	O
.	O
</s>
<s>
1962	O
,	O
reportedly	O
discovered	O
by	O
Jackson	O
Wright	O
)	O
,	O
which	O
employs	O
a	O
trivial	O
computation	O
(	O
repeatedly	O
plotting	O
the	O
graph	O
Y	O
=	O
X	O
XOR	B-Application
T	O
for	O
successive	O
values	O
of	O
T	O
)	O
to	O
produce	O
an	O
impressive	O
display	O
of	O
moving	O
and	O
growing	O
squares	O
that	O
devour	O
the	O
screen	O
.	O
</s>
<s>
Some	O
of	O
these	O
,	O
later	O
(	O
re	O
)	O
discovered	O
on	O
the	O
LISP	O
machine	O
,	O
have	O
been	O
christened	O
munching	O
triangles	O
(	O
using	O
bitwise	O
AND	O
instead	O
of	O
XOR	B-Application
,	O
and	O
toggling	O
points	O
instead	O
of	O
plotting	O
them	O
)	O
,	O
munching	O
w	O
's	O
,	O
and	O
munching	O
mazes	O
.	O
</s>
