<s>
As	O
of	O
August	O
2013	O
,	O
AOL	O
's	O
largest	O
acquisition	O
has	O
been	O
the	O
purchase	O
of	O
Netscape	B-Protocol
,	O
a	O
web	B-Application
browser	I-Application
company	O
,	O
for	O
US	O
$4.2	O
billion	O
.	O
</s>
<s>
Netscape	B-Protocol
's	O
browser	B-Application
was	O
dominant	O
,	O
in	O
terms	O
of	O
market	O
share	O
,	O
but	O
it	O
had	O
lost	O
most	O
of	O
its	O
share	O
to	O
Internet	B-Application
Explorer	I-Application
during	O
the	O
first	O
browser	B-Application
war	O
.	O
</s>
<s>
By	O
the	O
end	O
of	O
2007	O
,	O
the	O
usage	O
share	O
of	O
Netscape	B-Protocol
's	O
browsers	B-Application
had	O
fallen	O
from	O
over	O
90%	O
in	O
the	O
1990s	O
,	O
to	O
less	O
than	O
1%	O
.	O
</s>
<s>
From	O
19992009	O
,	O
MapQuest	O
had	O
the	O
greatest	O
market	O
share	O
among	O
mapping	O
websites	O
;	O
it	O
has	O
since	O
dropped	O
to	O
second	O
place	O
,	O
behind	O
Google	B-Application
Maps	I-Application
.	I-Application
</s>
<s>
Most	O
of	O
the	O
acquired	O
companies	O
are	O
related	O
to	O
the	O
internet	O
,	O
including	O
several	O
internet	O
service	O
providers	O
and	O
web	B-Application
browsers	I-Application
.	O
</s>
