<s>
HomeOS	B-Device
is	O
the	O
working	O
title	O
of	O
a	O
home	O
automation	O
operating	B-General_Concept
system	I-General_Concept
that	O
was	O
being	O
developed	O
at	O
Microsoft	O
Research	O
in	O
the	O
early	O
2010s	O
.	O
</s>
<s>
HomeOS	B-Device
communicates	O
with	O
Lab	O
of	O
Things	O
,	O
a	O
cloud-based	B-Architecture
Internet	B-Operating_System
of	I-Operating_System
Things	I-Operating_System
infrastructure	O
also	O
developed	O
by	O
Microsoft	O
.	O
</s>
<s>
The	O
slogan	O
for	O
the	O
HomeOS	B-Device
project	O
is	O
"	O
Enabling	O
smarter	O
homes	O
for	O
everyone.	O
"	O
</s>
<s>
The	O
HomeOS	B-Device
development	O
team	O
has	O
written	O
three	O
sample	O
applications	B-Application
that	O
make	O
use	O
of	O
multiple	O
devices	B-Operating_System
,	O
including	O
a	O
"	O
sticky	O
media	O
"	O
app	O
that	O
plays	O
music	O
in	O
parts	O
of	O
the	O
house	O
that	O
are	O
lit	O
up	O
,	O
but	O
not	O
other	O
rooms	O
;	O
a	O
two-factor	O
authentication	O
app	O
that	O
uses	O
audio	O
from	O
smartphones	B-Application
and	O
images	O
from	O
a	O
front-door	O
camera	O
to	O
turn	O
on	O
lights	O
when	O
a	O
user	O
is	O
identified	O
;	O
and	O
a	O
home	O
browser	B-Protocol
for	O
viewing	O
and	O
controlling	O
a	O
user	O
's	O
access	O
to	O
all	O
devices	B-Operating_System
in	O
a	O
home	O
.	O
</s>
<s>
Some	O
staff	O
who	O
worked	O
on	O
the	O
HomeOS	B-Device
project	O
cited	O
Microsoft	O
CEO	O
Steve	O
Ballmer	O
's	O
focus	O
on	O
enterprise	B-Application
applications	I-Application
,	O
productivity	B-Application
software	I-Application
,	O
and	O
cloud	B-Architecture
computing	I-Architecture
as	O
the	O
reason	O
for	O
the	O
stalled	O
development	O
of	O
HomeOS	B-Device
.	O
</s>
