<s>
The	O
Polaroid	B-Algorithm
i-Zone	I-Algorithm
is	O
a	O
type	O
of	O
instant	O
film	O
camera	O
manufactured	O
for	O
the	O
Polaroid	O
Corporation	O
by	O
Japanese	O
toy	O
manufacturer	O
Tomy	O
.	O
</s>
<s>
Introduced	O
in	O
1999	O
,	O
the	O
i-Zone	B-Algorithm
was	O
the	O
world	O
's	O
best-selling	O
camera	O
in	O
1999	O
and	O
2000	O
.	O
</s>
<s>
A	O
major	O
marketing	O
point	O
for	O
the	O
camera	O
was	O
its	O
ease	O
of	O
use	O
:	O
the	O
camera	O
had	O
only	O
three	O
aperture	B-General_Concept
settings	O
,	O
selected	O
by	O
a	O
lever	O
that	O
pointed	O
to	O
a	O
picture	O
representing	O
when	O
each	O
setting	O
would	O
be	O
appropriate	O
,	O
be	O
it	O
indoors	O
,	O
outdoors	O
on	O
a	O
sunny	O
day	O
,	O
or	O
outdoors	O
on	O
a	O
cloudy	O
day	O
.	O
</s>
