<s>
Web	B-Application
Slices	I-Application
are	O
a	O
web	B-General_Concept
feed	I-General_Concept
technology	O
based	O
on	O
the	O
hAtom	B-General_Concept
Microformat	I-General_Concept
that	O
allows	O
users	O
to	O
subscribe	O
to	O
portions	O
of	O
a	O
web	O
page	O
.	O
</s>
<s>
Microsoft	O
developed	O
the	O
Web	B-Application
Slice	I-Application
format	O
,	O
and	O
published	O
a	O
specification	O
under	O
their	O
Open	O
Specification	O
Promise	O
.	O
</s>
<s>
Introduced	O
in	O
Internet	B-Application
Explorer	I-Application
8	O
Beta	O
1	O
,	O
Web	B-Application
Slices	I-Application
can	O
be	O
previewed	O
in	O
a	O
fly-out	O
window	O
.	O
</s>
<s>
,	O
Internet	B-Application
Explorer	I-Application
8	O
and	O
9	O
were	O
the	O
only	O
browsers	O
to	O
support	O
Web	B-Application
Slices	I-Application
natively	O
,	O
although	O
Mozilla	B-Application
Firefox	I-Application
had	O
support	O
via	O
an	O
add-on	B-Operating_System
called	O
webchunks	O
.	O
</s>
<s>
A	O
Web	B-Application
Slice	I-Application
has	O
9	O
properties	O
:	O
the	O
Web	B-Application
Slice	I-Application
id	O
,	O
entry	O
title	O
,	O
entry	O
content	O
,	O
end	O
time	O
,	O
alternative	O
display	O
source	O
,	O
alternative	O
navigation	O
,	O
alternative	O
update	O
source	O
,	O
and	O
time	O
to	O
live	O
.	O
</s>
<s>
The	O
3	O
required	O
properties	O
are	O
:	O
the	O
Web	B-Application
Slice	I-Application
id	O
,	O
entry	O
title	O
,	O
and	O
entry	O
content	O
.	O
</s>
<s>
To	O
disable	O
Web	B-Application
Slices	I-Application
on	O
a	O
web	O
page	O
,	O
add	O
:	O
</s>
<s>
To	O
specify	O
the	O
default	O
web	B-Application
slice	I-Application
on	O
a	O
page	O
with	O
multiple	O
web	B-Application
slices	I-Application
,	O
add	O
:	O
</s>
<s>
While	O
Firefox	B-Application
does	O
not	O
have	O
built	O
in	O
support	O
for	O
web	B-Application
slices	I-Application
,	O
extensions	O
have	O
been	O
created	O
to	O
give	O
the	O
ability	O
to	O
read	O
web	B-Application
slices	I-Application
.	O
</s>
<s>
WebChunks	O
is	O
a	O
Mozilla	B-Language
Firefox	I-Language
3	I-Language
implementation	O
of	O
Microsoft	O
Webslices	B-Application
.	O
</s>
<s>
With	O
Greasemonkey	B-Operating_System
,	O
WebChunks	O
can	O
insert	O
webchunks	O
or	O
webslices	B-Application
markup	O
into	O
any	O
web	O
page	O
so	O
the	O
Webchunks	O
extension	O
handles	O
it	O
.	O
</s>
<s>
Fireclip	O
is	O
a	O
Firefox	B-Operating_System
addon	I-Operating_System
that	O
lets	O
you	O
"	O
clip	O
out	O
"	O
parts	O
of	O
a	O
website	O
and	O
watch	O
them	O
for	O
changes	O
.	O
</s>
<s>
It	O
lets	O
you	O
track	O
specific	O
parts	O
of	O
a	O
website	O
in	O
a	O
similar	O
manner	O
to	O
web	B-Application
slices	I-Application
.	O
</s>
<s>
Pageslices	O
was	O
another	O
Firefox	B-Operating_System
addon	I-Operating_System
that	O
allowed	O
not	O
only	O
storing	O
parts	O
of	O
websites	O
but	O
also	O
organizing	O
them	O
by	O
adding	O
on	O
custom	O
pages	O
.	O
</s>
<s>
Google	B-Application
Chrome	I-Application
,	O
like	O
Firefox	B-Application
,	O
does	O
not	O
have	O
built	O
in	O
support	O
for	O
web	B-Application
slices	I-Application
.	O
</s>
<s>
However	O
,	O
the	O
extension	O
API	O
new	O
to	O
Chrome	B-Application
4	O
allows	O
extensions	O
to	O
be	O
created	O
to	O
give	O
the	O
ability	O
to	O
relatively	O
simply	O
create	O
arbitrary	O
webslices	B-Application
of	O
any	O
content	O
from	O
any	O
page	O
.	O
</s>
<s>
Although	O
it	O
was	O
rumored	O
that	O
Opera	O
10	O
would	O
have	O
support	O
for	O
web	B-Application
slices	I-Application
,	O
this	O
did	O
not	O
come	O
to	O
pass	O
.	O
</s>
<s>
Opera	O
does	O
have	O
a	O
"	O
widgetize	O
"	O
feature	O
likened	O
to	O
web	B-Application
slices	I-Application
which	O
allows	O
web	O
pages	O
to	O
be	O
displayed	O
on	O
a	O
user	O
's	O
desktop	O
.	O
</s>
