<s>
The	O
marquee	B-General_Concept
tag	I-General_Concept
is	O
a	O
non-standard	O
HTML	B-Language
element	O
which	O
causes	O
text	O
to	O
scroll	O
up	O
,	O
down	O
,	O
left	O
or	O
right	O
automatically	O
.	O
</s>
<s>
The	O
tag	O
was	O
first	O
introduced	O
in	O
early	O
versions	O
of	O
Microsoft	O
's	O
Internet	B-Application
Explorer	I-Application
,	O
and	O
was	O
compared	O
to	O
Netscape	B-Protocol
's	O
blink	B-Application
element	I-Application
,	O
as	O
a	O
proprietary	O
non-standard	O
extension	O
to	O
the	O
HTML	B-Language
standard	O
with	O
usability	O
problems	O
.	O
</s>
<s>
The	O
W3C	O
advises	O
against	O
its	O
use	O
in	O
HTML	B-Language
documents	O
.	O
</s>
<s>
The	O
human	O
eye	O
is	O
attracted	O
to	O
movement	O
,	O
and	O
marquee	B-General_Concept
text	I-General_Concept
is	O
constantly	O
moving	O
.	O
</s>
<s>
As	O
with	O
the	O
blink	B-Application
element	I-Application
,	O
marquee-tagged	O
images	O
or	O
text	O
are	O
not	O
always	O
completely	O
visible	O
on	O
rendered	O
pages	O
,	O
making	O
printing	O
such	O
pages	O
an	O
inefficient	O
(	O
if	O
not	O
impossible	O
)	O
task	O
;	O
typically	O
multiple	O
attempts	O
are	O
required	O
to	O
capture	O
all	O
text	O
that	O
could	O
be	O
displayed	O
where	O
messages	O
scroll	O
or	O
blink	O
.	O
</s>
<s>
Because	O
marquee	B-General_Concept
text	I-General_Concept
moves	O
,	O
links	O
within	O
it	O
are	O
more	O
difficult	O
to	O
click	O
than	O
those	O
in	O
static	O
text	O
,	O
depending	O
on	O
the	O
speed	O
and	O
length	O
of	O
the	O
scrolling	O
.	O
</s>
<s>
Unlike	O
its	O
blinking	O
counterpart	O
,	O
the	O
marquee	B-General_Concept
element	I-General_Concept
has	O
several	O
attributes	O
that	O
can	O
be	O
used	O
to	O
control	O
and	O
adjust	O
the	O
appearance	O
of	O
the	O
marquee	O
.	O
</s>
<s>
A	O
marquee	B-General_Concept
element	I-General_Concept
can	O
contain	O
arbitrary	O
HTML	B-Language
,	O
so	O
in	O
addition	O
to	O
text	O
it	O
could	O
move	O
one	O
or	O
more	O
images	O
,	O
movie	O
clips	O
,	O
or	O
animated	O
GIFs	O
.	O
</s>
<s>
The	O
marquee	B-General_Concept
element	I-General_Concept
was	O
first	O
invented	O
for	O
Microsoft	O
's	O
Internet	B-Application
Explorer	I-Application
and	O
is	O
still	O
supported	O
by	O
it	O
.	O
</s>
<s>
Firefox	B-Application
,	O
Chrome	B-Application
and	O
Safari	B-Application
web	I-Application
browsers	I-Application
support	O
it	O
for	O
compatibility	O
with	O
legacy	O
pages	O
.	O
</s>
<s>
The	O
element	O
is	O
non-compliant	O
HTML	B-Language
.	O
</s>
<s>
CSS	B-Language
properties	O
are	O
used	O
to	O
achieve	O
the	O
same	O
effect	O
as	O
specified	O
in	O
the	O
Marquee	O
Module	O
Level	O
3	O
,	O
which	O
as	O
of	O
2008	O
is	O
in	O
the	O
call	O
for	O
implementations	O
stage	O
.	O
</s>
<s>
Similar	O
effects	O
can	O
also	O
be	O
achieved	O
through	O
the	O
use	O
of	O
JavaScript	B-Language
,	O
or	O
CSS3	B-Application
animations	I-Application
.	O
</s>
