<s>
Magic	B-Application
Cap	I-Application
(	O
short	O
for	O
Magic	O
Communicating	O
Applications	O
Platform	O
)	O
is	O
a	O
discontinued	O
object-oriented	B-Application
operating	I-Application
system	I-Application
for	O
PDAs	B-Application
developed	O
by	O
General	O
Magic	O
.	O
</s>
<s>
Its	O
graphical	B-Application
user	I-Application
interface	I-Application
incorporates	O
a	O
room	B-Architecture
metaphor	I-Architecture
,	O
where	O
the	O
user	O
navigates	O
between	O
rooms	O
to	O
perform	O
tasks	O
,	O
such	O
as	O
going	O
to	O
a	O
home	O
office	O
to	O
perform	O
word	B-General_Concept
processing	I-General_Concept
,	O
or	O
to	O
a	O
file	O
room	O
to	O
clean	O
up	O
the	O
system	O
files	O
.	O
</s>
<s>
Automation	O
is	O
based	O
on	O
mobile	B-Operating_System
agents	I-Operating_System
but	O
not	O
an	O
office	B-General_Concept
assistant	I-General_Concept
.	O
</s>
<s>
Several	O
electronic	O
companies	O
came	O
to	O
market	O
with	O
Magic	B-Application
Cap	I-Application
devices	O
,	O
including	O
the	O
Sony	O
Magic	B-Application
Link	I-Application
and	O
the	O
Motorola	B-Application
Envoy	I-Application
,	O
both	O
released	O
in	O
1994	O
.	O
</s>
<s>
The	O
Magic	B-Application
Cap	I-Application
operating	O
system	O
includes	O
a	O
new	O
mobile	B-Operating_System
agent	I-Operating_System
technology	O
named	O
Telescript	B-Language
.	O
</s>
<s>
When	O
the	O
Magic	B-Application
Cap	I-Application
devices	O
were	O
delivered	O
,	O
the	O
only	O
Place	O
for	O
agents	O
to	O
travel	O
was	O
the	O
PersonaLink	O
service	O
provided	O
by	O
AT&T	O
.	O
</s>
<s>
The	O
payload	O
carried	O
by	O
these	O
agents	O
was	O
also	O
hampered	O
by	O
the	O
slow	O
dial-up	B-Application
modem	I-Application
speed	O
of	O
2400bit/s	O
.	O
</s>
<s>
The	O
authentication	O
and	O
authorization	O
system	O
of	O
the	O
mobile	B-Operating_System
agents	I-Operating_System
in	O
Telescript	B-Language
created	O
a	O
high	O
coupling	O
between	O
the	O
device	O
and	O
the	O
target	O
Place	O
.	O
</s>
