<s>
Volunia	B-Application
was	O
a	O
web	B-Application
search	I-Application
engine	I-Application
(	O
or	O
social	O
search	B-Application
engine	I-Application
)	O
created	O
by	O
Massimo	O
Marchiori	O
.	O
</s>
<s>
Volunia	B-Application
,	O
dubbed	O
as	O
"	O
the	O
search	B-Application
engine	I-Application
of	O
the	O
future	O
"	O
,	O
was	O
speculated	O
to	O
be	O
based	O
on	O
Hyper	O
Search	O
technology	O
.	O
</s>
<s>
The	O
name	O
Volunia	B-Application
stems	O
from	O
the	O
words	O
“	O
volo	O
”	O
(	O
flight	O
)	O
and	O
“	O
luna	O
”	O
(	O
moon	O
)	O
,	O
because	O
–	O
as	O
Marchiori	O
says	O
–	O
he	O
wanted	O
to	O
evoke	O
the	O
quantum	O
leap	O
his	O
social	O
search	B-Application
engine	I-Application
was	O
trying	O
to	O
deliver	O
.	O
</s>
<s>
The	O
Volunia	B-Application
project	O
has	O
been	O
entirely	O
developed	O
in	O
Italy	O
:	O
the	O
head	O
office	O
is	O
located	O
in	O
Padua	O
,	O
the	O
servers	O
are	O
located	O
in	O
Sardinia	O
and	O
hosted	O
by	O
Tiscali	O
,	O
and	O
the	O
whole	O
team	O
,	O
formed	O
by	O
14	O
people	O
,	O
is	O
Italian	O
.	O
</s>
<s>
Volunia	B-Application
differs	O
from	O
normal	O
search	B-Application
engines	I-Application
in	O
that	O
,	O
while	O
it	O
crawls	B-Application
the	O
web	O
and	O
indexes	O
websites	O
,	O
it	O
builds	O
the	O
ranking	O
using	O
the	O
comments	O
and	O
opinions	O
of	O
other	O
users	O
.	O
</s>
<s>
The	O
Volunia	B-Application
service	O
allows	O
people	O
to	O
interact	O
with	O
each	O
other	O
in	O
every	O
page	O
they	O
visit	O
,	O
as	O
well	O
as	O
with	O
the	O
web	O
sites	O
 '	O
owners	O
.	O
</s>
<s>
Volunia	B-Application
uses	O
a	O
system	O
similar	O
to	O
Sidewiki	B-Application
.	O
</s>
<s>
Volunia	B-Application
also	O
introduces	O
for	O
the	O
first	O
time	O
a	O
"	O
fly-over	O
"	O
map	O
visualization	O
for	O
every	O
web	O
site	O
,	O
where	O
every	O
web	O
site	O
is	O
turned	O
into	O
a	O
city	O
metaphor	O
,	O
also	O
representing	O
social	O
information	O
.	O
</s>
<s>
According	O
to	O
Marchiori	O
,	O
Volunia	B-Application
is	O
not	O
a	O
competitor	O
to	O
the	O
existing	O
search	B-Application
engines	I-Application
,	O
staying	O
on	O
an	O
alternative	O
level	O
.	O
</s>
<s>
Despite	O
what	O
Marchiori	O
said	O
,	O
some	O
people	O
in	O
the	O
internet	O
community	O
consider	O
Volunia	B-Application
a	O
challenge	O
and	O
a	O
potential	O
competitor	O
for	O
Google	O
.	O
</s>
