<s>
The	O
Palm	O
Treo	B-Application
680	I-Application
is	O
a	O
combination	O
hybrid	O
PDA/cellphone	O
,	O
or	O
smartphone	B-Application
as	O
the	O
successor	O
to	O
the	O
company	O
's	O
Treo	B-Application
650	I-Application
.	O
</s>
<s>
It	O
was	O
the	O
first-ever	O
Palm	B-Operating_System
OS	I-Operating_System
Treo	O
with	O
no	O
external	O
antenna	O
.	O
</s>
<s>
The	O
Treo	B-Application
680	I-Application
is	O
older	O
,	O
larger	O
,	O
and	O
heavier	O
than	O
the	O
Palm	B-Application
Centro	I-Application
.	O
</s>
<s>
But	O
the	O
Treo	B-Application
680	I-Application
has	O
a	O
larger	O
keyboard	O
which	O
is	O
more	O
comfortable	O
to	O
type	O
on	O
.	O
</s>
<s>
There	O
are	O
other	O
differences	O
between	O
the	O
Treo	B-Application
680	I-Application
and	O
the	O
Centro	O
.	O
</s>
<s>
AT&T	O
and	O
Rogers	O
were	O
the	O
only	O
carriers	O
to	O
offer	O
the	O
Treo	B-Application
680	I-Application
in	O
North	O
America	O
;	O
but	O
,	O
for	O
a	O
more	O
expensive	O
price	O
,	O
you	O
can	O
get	O
an	O
unlocked	O
GSM	O
Treo	O
that	O
works	O
with	O
any	O
GSM/GPRS/EDGE	O
network	O
worldwide	O
.	O
</s>
<s>
The	O
Treo	B-Application
680	I-Application
was	O
also	O
available	O
from	O
many	O
carriers	O
worldwide	O
including	O
Singtel	O
,	O
Vodafone	O
in	O
NZ	O
&	O
Aus	O
,	O
Globe	O
,	O
Orange	O
France	O
,	O
Swisscom	O
,	O
Telcel	O
MX	O
,	O
Cable	O
&	O
Wireless	O
(	O
Caribbean	O
)	O
and	O
Claro	O
in	O
Brazil	O
.	O
</s>
<s>
The	O
Treo	B-Application
680	I-Application
comes	O
in	O
several	O
colours	O
:	O
Arctic	O
,	O
Copper	O
,	O
Crimson	O
,	O
and	O
Graphite	O
.	O
</s>
