<s>
Neighbornode	B-General_Concept
is	O
a	O
captive	O
portal	O
on	O
a	O
residential	O
Wi-Fi	B-Application
hotspot	I-Application
,	O
containing	O
a	O
message	B-Application
board	I-Application
.	O
</s>
<s>
The	O
message	B-Application
board	I-Application
can	O
only	O
be	O
accessed	O
within	O
range	O
of	O
the	O
hotspot	B-Application
.	O
</s>
<s>
Individual	O
Neighbornodes	B-General_Concept
can	O
be	O
linked	O
together	O
to	O
create	O
a	O
supernode	B-Protocol
,	O
vaguely	O
like	O
Fidonet	O
.	O
</s>
<s>
It	O
is	O
implemented	O
as	O
an	O
alternative	O
firmware	O
for	O
the	O
Linksys	B-Application
WRT54G	I-Application
router	O
.	O
</s>
