<s>
Astraweb	B-Application
is	O
a	O
Usenet/newsgroup	O
service	O
provider	O
.	O
</s>
<s>
Founded	O
in	O
1997	O
,	O
Astraweb	B-Application
service	O
is	O
available	O
to	O
individual	O
users	O
through	O
a	O
subscription	O
model	O
and	O
as	O
an	O
outsourced	O
service	O
to	O
Internet	O
service	O
providers	O
.	O
</s>
<s>
In	O
addition	O
,	O
Astraweb	B-Application
offers	O
'	O
block	O
accounts	O
 '	O
(	O
pay-per-byte	O
)	O
.	O
</s>
<s>
Notably	O
Astraweb	B-Application
was	O
responsible	O
for	O
the	O
huge	O
increase	O
of	O
retention	O
on	O
almost	O
all	O
big	O
Usenet	B-Application
services	O
,	O
which	O
was	O
triggered	O
by	O
their	O
announcement	O
to	O
keep	O
files	O
for	O
up	O
to	O
270	O
days	O
in	O
December	O
2008	O
.	O
</s>
