<s>
Rockmelt	B-Protocol
is	O
a	O
discontinued	O
proprietary	O
social	O
media	O
web	B-Application
browser	I-Application
developed	O
by	O
Tim	O
Howes	O
and	O
Eric	O
Vishria	O
based	O
on	O
the	B-Application
Google	I-Application
Chromium	B-Language
project	I-Language
,	O
incorporating	O
social	O
media	O
features	O
such	O
as	O
Facebook	B-Application
chat	O
,	O
Twitter	B-Application
notifications	O
and	O
widgetised	O
areas	O
for	O
other	O
content	O
providers	O
such	O
as	O
YouTube	B-General_Concept
and	O
local	O
newspapers	O
.	O
</s>
<s>
The	O
Rockmelt	B-Protocol
web	B-Application
browser	I-Application
project	O
was	O
backed	O
by	O
Netscape	B-Protocol
founder	O
Marc	O
Andreessen	O
.	O
</s>
<s>
In	O
April	O
2013	O
,	O
Rockmelt	B-Protocol
discontinued	O
its	O
desktop	O
web	B-Application
browser	I-Application
,	O
replacing	O
it	O
with	O
a	O
collaborative	O
project	O
bringing	O
together	O
social	O
elements	O
from	O
various	O
sources	O
.	O
</s>
<s>
Rockmelt	B-Protocol
was	O
created	O
by	O
Rockmelt	B-Protocol
,	O
Inc.	O
,	O
located	O
in	O
Mountain	O
View	O
,	O
California	O
.	O
</s>
<s>
On	O
August	O
2	O
,	O
2013	O
,	O
Yahoo	B-Application
!	I-Application
</s>
<s>
acquired	O
Rockmelt	B-Protocol
.	O
</s>
<s>
Rockmelt	B-Protocol
apps	O
and	O
the	O
website	O
were	O
shut	O
down	O
after	O
August	O
31	O
,	O
2013	O
.	O
</s>
<s>
Yahoo	B-Application
!	I-Application
</s>
<s>
plans	O
to	O
integrate	O
Rockmelt	B-Protocol
's	O
technology	O
throughout	O
various	O
products	O
.	O
</s>
<s>
Rockmelt	B-Protocol
was	O
positively	O
received	O
by	O
Tom	O
's	O
Guide	O
,	O
though	O
they	O
noticed	O
that	O
the	O
RAM	O
consumption	O
was	O
higher	O
than	O
Chrome	O
or	O
Firefox	O
.	O
</s>
<s>
The	O
browser	B-Application
's	O
“	O
Edges	O
”	O
were	O
called	O
“	O
the	O
three	O
most	O
prominent	O
features	O
of	O
the	O
RockMelt	B-Protocol
browser	I-Protocol
”	O
.	O
</s>
<s>
Notebook	O
Review	O
,	O
while	O
comparing	O
Rockmelt	B-Protocol
to	O
Flock	B-Protocol
,	O
gave	O
Rockmelt	B-Protocol
4.5	O
stars	O
out	O
of	O
5	O
,	O
with	O
the	O
absence	O
of	O
extension	O
support	O
being	O
the	O
most	O
noticeable	O
issue	O
with	O
the	O
browser	B-Application
.	O
</s>
<s>
“	O
The	O
social	O
networking	O
integration	O
is	O
worlds	O
better	O
than	O
Flock	B-Protocol
’s	O
,	O
and	O
...	O
there	O
are	O
at	O
least	O
some	O
very	O
useful	O
features	O
that	O
RockMelt	B-Protocol
leverages	O
.	O
</s>
<s>
In	O
a	O
beta	O
preview	O
by	O
Techcrunch	O
,	O
Rockmelt	B-Protocol
received	O
mixed	O
reviews	O
mostly	O
due	O
to	O
the	O
browser	B-Application
using	O
Chromium	B-Language
as	O
its	O
base	O
,	O
with	O
a	O
number	O
of	O
concerns	O
whether	O
the	O
browser	B-Application
would	O
find	O
its	O
audience	O
.	O
</s>
<s>
In	O
a	O
short	O
review	O
by	O
PCWorld	O
,	O
Megan	O
Geuss	O
stressed	O
the	O
overall	O
Facebook	B-Application
integration	O
of	O
the	O
browsers	B-Application
,	O
which	O
would	O
not	O
work	O
for	O
every	O
user	O
,	O
while	O
also	O
praising	O
the	O
performance	O
of	O
Rockmelt	B-Protocol
:	O
“	O
the	O
fledgling	O
browser	B-Application
works	O
really	O
quickly	O
.	O
</s>
<s>
A	O
PCMech	O
review	O
of	O
Rockmelt	B-Protocol
stressed	O
how	O
easy	O
it	O
was	O
to	O
share	O
content	O
via	O
Rockmelt	B-Protocol
,	O
and	O
the	O
browser	B-Application
received	O
praises	O
for	O
the	O
option	O
to	O
add	O
additional	O
feeds	O
.	O
</s>
<s>
“	O
It	O
is	O
easier	O
than	O
manually	O
going	O
to	O
Twitter	B-Application
or	O
Facebook	B-Application
and	O
is	O
most	O
certainly	O
easier	O
when	O
managing	O
feeds	O
for	O
the	O
web	O
sites	O
you	O
visit	O
often	O
.	O
</s>
