<s>
Bluejacking	B-General_Concept
is	O
the	O
sending	O
of	O
unsolicited	O
messages	O
over	O
Bluetooth	B-Protocol
to	O
Bluetooth-enabled	O
devices	O
such	O
as	O
mobile	O
phones	O
,	O
PDAs	B-Application
or	O
laptop	B-Device
computers	I-Device
,	O
sending	O
a	O
vCard	O
which	O
typically	O
contains	O
a	O
message	O
in	O
the	O
name	O
field	O
(	O
i.e.	O
,	O
for	O
bluedating	O
)	O
to	O
another	O
Bluetooth-enabled	O
device	O
via	O
the	O
OBEX	B-General_Concept
protocol	O
.	O
</s>
<s>
Bluetooth	B-Protocol
has	O
a	O
very	O
limited	O
range	O
,	O
usually	O
around	O
on	O
mobile	O
phones	O
,	O
but	O
laptops	B-Device
can	O
reach	O
up	O
to	O
with	O
powerful	O
(	O
Class	O
1	O
)	O
transmitters	O
.	O
</s>
<s>
Bluejacking	B-General_Concept
was	O
reportedly	O
first	O
carried	O
out	O
between	O
2001	O
and	O
2003	O
by	O
a	O
Malaysian	O
IT	O
consultant	O
who	O
used	O
his	O
phone	O
to	O
advertise	O
Ericsson	O
to	O
a	O
single	O
Nokia	B-Language
7650	I-Language
phone	O
owner	O
in	O
a	O
Malaysian	O
bank	O
.	O
</s>
<s>
He	O
also	O
invented	O
the	O
name	O
,	O
which	O
he	O
claims	O
is	O
an	O
amalgam	O
of	O
Bluetooth	B-Protocol
and	O
ajack	O
,	O
his	O
username	O
on	O
Esato	O
,	O
a	O
Sony	O
Ericsson	O
fan	O
online	O
forum	O
.	O
</s>
<s>
Another	O
user	O
on	O
the	O
forum	O
claims	O
earlier	O
discovery	O
,	O
reporting	O
a	O
near-identical	O
story	O
to	O
that	O
attributed	O
to	O
Ajack	O
,	O
except	O
they	O
describe	O
bluejacking	B-General_Concept
44	O
Nokia	B-Language
7650	I-Language
phones	O
instead	O
of	O
one	O
,	O
and	O
the	O
location	O
is	O
a	O
garage	O
,	O
seemingly	O
in	O
Denmark	O
,	O
rather	O
than	O
a	O
Malaysian	O
Bank	O
.	O
</s>
<s>
Bluejacking	B-General_Concept
is	O
usually	O
not	O
very	O
harmful	O
,	O
except	O
that	O
bluejacked	O
people	O
generally	O
do	O
n't	O
know	O
what	O
has	O
happened	O
,	O
and	O
so	O
may	O
think	O
that	O
their	O
phone	O
is	O
malfunctioning	O
.	O
</s>
<s>
Bluejacking	B-General_Concept
has	O
been	O
used	O
in	O
guerrilla	O
marketing	O
campaigns	O
to	O
promote	O
advergames	B-Application
.	O
</s>
<s>
Bluejacking	B-General_Concept
is	O
also	O
confused	O
with	O
Bluesnarfing	B-General_Concept
,	O
which	O
is	O
the	O
way	O
in	O
which	O
mobile	O
phones	O
are	O
illegally	O
hacked	O
via	O
Bluetooth	B-Protocol
.	O
</s>
<s>
BlueJackQ	B-General_Concept
is	O
a	O
website	O
dedicated	O
to	O
bluejacking	B-General_Concept
.	O
</s>
<s>
The	O
website	O
contains	O
a	O
few	O
bluejacking	B-General_Concept
stories	O
taken	O
from	O
the	O
site	O
's	O
forum	O
.	O
</s>
<s>
The	O
website	O
also	O
includes	O
software	O
that	O
can	O
be	O
used	O
for	O
bluejacking	B-General_Concept
and	O
guides	O
on	O
how	O
to	O
bluejack	O
which	O
are	O
slightly	O
out	O
of	O
date	O
but	O
the	O
basic	O
principle	O
still	O
applies	O
to	O
most	O
makes	O
of	O
phone	O
.	O
</s>
<s>
The	O
forums	O
were	O
opened	O
on	O
the	O
November	O
13	O
,	O
2003	O
and	O
has	O
been	O
the	O
center	O
of	O
BluejackQ	B-General_Concept
from	O
the	O
start	O
.	O
</s>
<s>
The	O
areas	O
included	O
information	O
about	O
BluejackQ	B-General_Concept
,	O
reviews	O
of	O
mobile	O
phones	O
,	O
media	O
players	O
,	O
PDAs	B-Application
and	O
Miscellaneous	O
devices	O
,	O
general	O
bluejacking	B-General_Concept
threads	O
and	O
an	O
off-topic	O
area	O
.	O
</s>
<s>
The	O
BluejackQ	B-General_Concept
podcast	B-Operating_System
was	O
first	O
released	O
as	O
a	O
test	O
version	O
on	O
January	O
15	O
,	O
2006	O
,	O
thus	O
becoming	O
the	O
first	O
bluejacking-related	O
podcast	B-Operating_System
.	O
</s>
<s>
Podcasts	B-Operating_System
1	O
,	O
2	O
and	O
3	O
featured	O
three	O
members	O
of	O
the	O
forums	O
.	O
</s>
<s>
The	O
authentic	O
bluejacking	B-General_Concept
as	O
described	O
here	O
is	O
not	O
the	O
same	O
exploit	O
which	O
was	O
frequently	O
depicted	O
in	O
the	O
television	O
series	O
Person	O
of	O
Interest	O
;	O
that	O
fictional	O
exploit	O
portrayed	O
different	B-General_Concept
and	I-General_Concept
more	I-General_Concept
invasive	I-General_Concept
capabilities	I-General_Concept
.	O
</s>
