<s>
iSilo	B-Operating_System
is	O
a	O
document	O
reader	O
available	O
for	O
Palm	B-Operating_System
OS	I-Operating_System
,	O
Pocket	B-Device
PC	I-Device
,	O
Windows	B-Operating_System
Mobile	I-Operating_System
Smartphone	I-Operating_System
,	O
Symbian	O
UIQ	B-Language
,	O
Symbian	B-Language
S60	I-Language
,	O
and	O
Windows	B-Operating_System
CE	I-Operating_System
Handheld	I-Operating_System
PC	I-Operating_System
handhelds	O
,	O
Windows	B-Application
computers	I-Application
as	O
well	O
as	O
Apple	B-Operating_System
iPhone	I-Operating_System
,	O
Android	B-Application
,	O
Windows	B-Application
Phone	O
7	O
and	O
HP	B-Operating_System
webOS	I-Operating_System
smartphones	O
.	O
</s>
<s>
iSilo	B-Operating_System
has	O
direct	O
support	O
for	O
reading	O
these	O
document	O
types	O
:	O
iSilo	B-Operating_System
4.x	O
,	O
iSilo	B-Operating_System
3.x	O
,	O
iSilo	B-Operating_System
2.x	O
,	O
Palm	O
Doc	O
,	O
and	O
plain	O
text	O
files	O
(	O
.txt	O
)	O
.	O
</s>
<s>
However	O
it	O
has	O
largely	O
fallen	O
out	O
of	O
use	O
due	O
to	O
its	O
one-way	O
nature	O
—	O
documents	O
can	O
be	O
converted	O
to	O
iSilo	B-Operating_System
format	O
,	O
but	O
not	O
back	O
out	O
for	O
editing	O
.	O
</s>
<s>
iSiloX	O
is	O
a	O
desktop	B-Application
application	I-Application
that	O
converts	O
web	O
and	O
file	O
content	O
to	O
the	O
iSilo	B-Operating_System
document	O
format	O
.	O
</s>
<s>
Supported	O
file	O
formats	O
include	O
HTML	B-Language
,	O
CSS	B-Language
,	O
text	O
,	O
Palm	O
Doc	O
,	O
JPEG	O
,	O
GIF	O
,	O
BMP	B-Device
,	O
and	O
PNG	O
.	O
</s>
