<s>
A	O
turnaround	B-General_Concept
document	I-General_Concept
is	O
a	O
document	O
that	O
has	O
been	O
output	O
from	O
a	O
computer	O
,	O
some	O
extra	O
information	O
potentially	O
added	O
to	O
it	O
,	O
and	O
then	O
returned	O
to	O
become	O
an	O
input	O
document	O
.	O
</s>
<s>
These	O
are	O
filled	O
in	O
by	O
the	O
customer	O
and	O
then	O
returned	O
to	O
the	O
company	O
for	O
scanning	B-Application
using	O
ICR	O
(	O
Intelligent	B-Application
Character	I-Application
Recognition	I-Application
)	O
so	O
that	O
the	O
system	O
can	O
produce	O
the	O
bills	O
for	O
the	O
customer	O
instead	O
of	O
the	O
customer	O
having	O
to	O
wait	O
through	O
a	O
process	O
,	O
that	O
could	O
take	O
some	O
time	O
.	O
</s>
<s>
Earlier	O
versions	O
used	O
punched	B-Architecture
cards	I-Architecture
,	O
sometimes	O
with	O
mark	B-Device
sense	I-Device
technology	O
,	O
but	O
nowadays	O
,	O
we	O
use	O
the	O
internet	O
to	O
send	O
payments	O
to	O
a	O
credit	O
card	O
.	O
</s>
