<s>
Presentation	B-Application
technology	I-Application
are	O
tools	O
used	O
to	O
assist	O
in	O
conveying	O
information	O
during	O
a	O
presentation	O
.	O
</s>
<s>
At	O
a	O
more	O
advanced	O
level	O
,	O
flip	O
charts	O
,	O
slide	B-Device
projectors	I-Device
,	O
and	O
overhead	B-Device
projectors	I-Device
are	O
more	O
suitable	O
for	O
displaying	O
prepared	O
content	O
.	O
</s>
<s>
Software	O
presentation	B-Application
programs	I-Application
combined	O
with	O
digital	B-Device
projectors	I-Device
are	O
frequently	O
used	O
because	O
they	O
provide	O
a	O
visually	O
pleasing	O
presentation	O
and	O
combine	O
multiple	O
media	O
into	O
a	O
single	O
device	O
.	O
</s>
