<s>
Active	B-Application
Channel	I-Application
was	O
a	O
technology	O
introduced	O
by	O
Internet	B-Protocol
Explorer	I-Protocol
4.0	I-Protocol
in	O
1997	O
.	O
</s>
<s>
It	O
made	O
use	O
of	O
the	O
Channel	B-Application
Definition	I-Application
Format	I-Application
,	O
which	O
was	O
designed	O
to	O
"	O
offer	O
frequently	O
updated	O
collections	O
of	O
information	O
,	O
or	O
channels	O
,	O
from	O
any	O
web	O
server	O
for	O
automatic	O
delivery	O
to	O
compatible	O
receiver	O
programs.	O
"	O
</s>
<s>
Microsoft	O
unveiled	O
the	O
Active	B-Application
Channel	I-Application
component	O
as	O
part	O
of	O
an	O
Internet	B-Protocol
Explorer	I-Protocol
4.0	I-Protocol
preview	O
release	O
in	O
July	O
1997	O
,	O
and	O
brought	O
out	O
the	O
final	O
version	O
with	O
the	O
launch	O
of	O
the	O
4.0	O
browser	O
in	O
September	O
that	O
year	O
.	O
</s>
<s>
Most	O
Active	B-Application
Channels	I-Application
were	O
provided	O
by	O
bigger	O
entertainment	O
companies	O
like	O
Disney	O
,	O
WB	O
or	O
AOL	O
and	O
also	O
made	O
heavy	O
use	O
of	O
DHTML	B-General_Concept
(	O
Dynamic	B-General_Concept
HTML	I-General_Concept
)	O
.	O
</s>
<s>
Channel	O
defaults	O
varied	O
by	O
country	O
,	O
and	O
were	O
controlled	O
by	O
the	O
choice	O
of	O
country	O
during	O
the	O
installation	O
of	O
Internet	B-Protocol
Explorer	I-Protocol
4	I-Protocol
(	O
and	O
therefore	O
Windows	B-Device
98	I-Device
)	O
.	O
</s>
<s>
Active	B-Application
Channel	I-Application
support	O
was	O
removed	O
from	O
Internet	B-Application
Explorer	I-Application
in	O
version	B-Application
7	I-Application
,	O
as	O
it	O
had	O
been	O
superseded	O
by	O
the	O
more	O
popular	O
and	O
standards-based	O
RSS	O
format	O
.	O
</s>
