<s>
Cyberdog	B-Protocol
was	O
an	O
OpenDoc-based	O
Internet	B-Protocol
suite	I-Protocol
of	O
applications	O
,	O
developed	O
by	O
Apple	O
Computer	O
for	O
the	O
Mac	B-Application
OS	I-Application
line	O
of	O
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
The	O
last	O
version	O
,	O
Cyberdog	B-Protocol
2.0	O
,	O
was	O
released	O
on	O
April	O
28	O
,	O
1997	O
.	O
</s>
<s>
It	O
worked	O
with	O
later	O
versions	O
of	O
System	B-Operating_System
7	I-Operating_System
as	O
well	O
as	O
the	O
Mac	B-Operating_System
OS	I-Operating_System
8	I-Operating_System
and	O
Mac	B-Operating_System
OS	I-Operating_System
9	I-Operating_System
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
Cyberdog	B-Protocol
derived	O
its	O
name	O
from	O
a	O
cartoon	O
in	O
The	O
New	O
Yorker	O
captioned	O
"	O
On	O
the	O
Internet	O
,	O
nobody	O
knows	O
you	O
're	O
a	O
dog.	O
"	O
</s>
<s>
Apple	O
released	O
the	O
first	O
beta	O
version	O
of	O
Cyberdog	B-Protocol
on	O
February	O
16	O
,	O
1996	O
.	O
</s>
<s>
Apple	O
released	O
Cyberdog	B-Protocol
1.0	O
on	O
May	O
13	O
,	O
1996	O
.	O
</s>
<s>
Apple	O
released	O
Cyberdog	B-Protocol
1.2	O
on	O
December	O
4	O
,	O
1996	O
.	O
</s>
<s>
Apple	O
released	O
a	O
first	O
alpha	O
version	O
on	O
December	O
21	O
,	O
1996	O
,	O
with	O
new	O
features	O
such	O
as	O
frames	B-General_Concept
,	O
cookies	B-Application
and	O
animated	O
GIF	O
support	O
.	O
</s>
<s>
Apple	O
also	O
released	O
Cyberdog	B-Protocol
2.0	O
with	O
Mac	B-Operating_System
OS	I-Operating_System
8.0	I-Operating_System
,	O
allowing	O
Mac	O
Runtime	O
for	O
Java	O
to	O
be	O
utilized	O
and	O
also	O
had	O
minor	O
bugs	O
with	O
OpenDoc	B-Application
fixed	O
.	O
</s>
<s>
Cyberdog	B-Protocol
included	O
email	O
and	O
news	B-Application
readers	O
,	O
a	O
web	B-Application
browser	I-Application
and	O
address	B-Operating_System
book	I-Operating_System
management	O
components	O
,	O
as	O
well	O
as	O
drag	O
and	O
drop	O
FTP	B-Protocol
.	O
</s>
<s>
OpenDoc	B-Application
allowed	O
these	O
components	O
to	O
be	O
reused	O
and	O
embedded	O
in	O
other	O
documents	O
by	O
the	O
user	O
.	O
</s>
<s>
For	O
instance	O
,	O
a	O
"	O
live	O
"	O
Cyberdog	B-Protocol
web	O
page	O
could	O
be	O
embedded	O
in	O
a	O
presentation	O
program	O
,	O
one	O
of	O
the	O
common	O
demonstrations	O
of	O
OpenDoc	B-Application
.	O
</s>
<s>
A	O
serious	O
problem	O
with	O
the	O
OpenDoc	B-Application
project	O
that	O
Cyberdog	B-Protocol
depended	O
on	O
,	O
was	O
that	O
it	O
was	O
part	O
of	O
a	O
very	O
acrimonious	O
competition	O
between	O
OpenDoc	B-Application
consortium	O
members	O
and	O
Microsoft	O
.	O
</s>
<s>
The	O
members	O
of	O
the	O
OpenDoc	B-Application
alliance	O
were	O
all	O
trying	O
to	O
obtain	O
traction	O
in	O
a	O
market	O
rapidly	O
being	O
dominated	O
by	O
Microsoft	O
Office	O
and	O
Internet	O
Explorer	O
.	O
</s>
<s>
OpenDoc	B-Application
was	O
forced	O
to	O
create	O
an	O
interoperability	O
layer	O
in	O
order	O
to	O
allow	O
developers	O
to	O
use	O
it	O
,	O
and	O
this	O
added	O
a	O
great	O
technical	O
burden	O
to	O
the	O
project	O
.	O
</s>
<s>
An	O
offspring	O
of	O
Cyberdog	B-Protocol
called	O
Subwoofer	O
had	O
been	O
developed	O
in	O
parallel	O
and	O
was	O
aimed	O
at	O
providing	O
software	O
developers	O
with	O
a	O
simple	O
library	O
for	O
integrating	O
web	O
communication	O
protocols	O
into	O
applications	O
.	O
</s>
<s>
The	O
project	O
was	O
completed	O
after	O
the	O
cancellation	O
of	O
Cyberdog	B-Protocol
and	O
released	O
at	O
the	O
MacHack	B-Application
1997	O
conference	O
by	O
and	O
Frédéric	O
Artru	O
.	O
</s>
<s>
OpenDoc	B-Application
had	O
several	O
hundred	O
developers	O
signed	O
up	O
,	O
but	O
the	O
timing	O
was	O
poor	O
.	O
</s>
<s>
Before	O
long	O
,	O
OpenDoc	B-Application
was	O
scrapped	O
,	O
with	O
Steve	O
Jobs	O
noting	O
that	O
they	O
"	O
put	O
a	O
bullet	O
through	O
(	O
CyberDog	B-Protocol
's	O
)	O
head	O
"	O
,	O
and	O
most	O
of	O
the	O
team	O
was	O
laid	O
off	O
in	O
March	O
1997	O
.	O
</s>
<s>
Other	O
sources	O
noted	O
that	O
Microsoft	O
hired	O
away	O
three	O
ClarisWorks	B-Device
developers	O
who	O
were	O
responsible	O
for	O
OpenDoc	B-Application
integration	O
into	O
ClarisWorks	B-Device
.	O
</s>
<s>
AppleShare	B-General_Concept
IP	I-General_Concept
Manager	I-General_Concept
from	O
versions	O
5.0	O
to	O
6.2	O
relied	O
on	O
OpenDoc	B-Application
,	O
but	O
AppleShare	B-General_Concept
IP	I-General_Concept
6.3	O
,	O
the	O
first	O
Mac	B-Operating_System
OS	I-Operating_System
9	I-Operating_System
compatible	O
version	O
(	O
released	O
in	O
1999	O
)	O
,	O
eliminated	O
the	O
reliance	O
on	O
OpenDoc	B-Application
.	O
</s>
<s>
Apple	O
officially	O
relinquished	O
the	O
last	O
trademark	O
on	O
the	O
name	O
OpenDoc	B-Application
on	O
June	O
11	O
,	O
2005	O
.	O
</s>
<s>
OpenDoc	B-Application
had	O
a	O
large	O
memory	O
footprint	O
for	O
the	O
time	O
,	O
and	O
since	O
the	O
OS/2	B-Application
(	O
Warp	O
4	O
)	O
versions	O
of	O
OpenDoc	B-Application
were	O
behind	O
schedule	O
,	O
Cyberdog	B-Protocol
only	O
ran	O
on	O
Macintosh	O
.	O
</s>
<s>
Moreover	O
,	O
saved	O
documents	O
were	O
not	O
viewable	O
from	O
applications	O
which	O
did	O
not	O
support	O
OpenDoc	B-Application
's	O
Bento	O
format	O
.	O
</s>
<s>
After	O
Apple	O
terminated	O
Cyberdog	B-Protocol
along	O
with	O
the	O
rest	O
of	O
OpenDoc	B-Application
,	O
Cyberdog	B-Protocol
's	O
web	B-Application
browser	I-Application
component	O
grew	O
outdated	O
as	O
web	O
standards	O
evolved	O
.	O
</s>
<s>
Cyberdog	B-Protocol
was	O
once	O
positioned	O
as	O
a	O
replacement	O
for	O
the	O
earlier	O
,	O
discontinued	O
,	O
Apple	O
Open	O
Collaboration	O
Environment	O
.	O
</s>
