<s>
Nearables	B-Device
(	O
also	O
nearable	O
technology	O
)	O
are	O
a	O
type	O
of	O
smart	B-General_Concept
object	I-General_Concept
.	O
</s>
<s>
These	O
devices	O
can	O
be	O
equipped	O
with	O
a	O
variety	O
of	O
sensors	O
and	O
work	O
as	O
transmitters	O
to	O
broadcast	O
digital	O
data	O
through	O
a	O
variety	O
of	O
methods	O
,	O
but	O
they	O
usually	O
use	O
the	O
Bluetooth	B-General_Concept
Smart	I-General_Concept
protocol	O
.	O
</s>
<s>
The	O
word	O
'	O
nearables	B-Device
 '	O
is	O
a	O
reference	O
to	O
wearable	B-Operating_System
technology	I-Operating_System
electronic	O
devices	O
worn	O
as	O
part	O
of	O
clothing	O
or	O
jewellery	O
.	O
</s>
<s>
The	O
term	O
'	O
nearables	B-Device
 '	O
was	O
first	O
introduced	O
by	O
Estimote	O
Inc	O
.	O
in	O
2014	O
as	O
part	O
of	O
a	O
marketing	O
campaign	O
associated	O
with	O
a	O
product	O
launch	O
of	O
next	O
generation	O
of	O
Bluetooth	B-General_Concept
Smart	I-General_Concept
beacons	O
.	O
</s>
<s>
Using	O
the	O
language	O
of	O
Estimote	O
,	O
'	O
nearables	B-Device
 '	O
were	O
an	O
implementation	O
of	O
the	O
iBeacon	B-General_Concept
standard	O
that	O
additionally	O
provided	O
orientation	O
,	O
temperature	O
,	O
and	O
motion	O
information	O
enabling	O
new	O
functionality	O
for	O
Internet	B-Operating_System
of	I-Operating_System
Things	I-Operating_System
applications	O
.	O
</s>
<s>
Nearables	B-Device
are	O
a	O
further	O
development	O
of	O
the	B-Operating_System
Internet	I-Operating_System
of	I-Operating_System
Things	I-Operating_System
(	O
also	O
referred	O
to	O
as	O
Internet	B-Operating_System
of	I-Operating_System
Everything	I-Operating_System
)	O
.	O
</s>
<s>
Although	O
the	O
term	O
Internet	B-Operating_System
of	I-Operating_System
Things	I-Operating_System
was	O
coined	O
by	O
Kevin	O
Ashton	O
in	O
1999	O
,	O
the	O
idea	O
can	O
be	O
traced	O
to	O
late	O
1980s	O
,	O
when	O
Mark	O
Weiser	O
introduced	O
the	O
idea	O
of	O
ubiquitous	B-Architecture
computing	I-Architecture
.	O
</s>
<s>
In	O
1990s	O
location-based	O
services	O
started	O
emerging	O
,	O
thanks	O
to	O
wide	O
adoption	O
of	O
mobile	O
phones	O
and	O
development	O
of	O
location	O
and	O
proximity-based	O
technologies	O
,	O
such	O
as	O
GPS	O
and	O
RFID	B-Application
.	O
</s>
<s>
This	O
,	O
in	O
turn	O
,	O
led	O
to	O
first	O
attempts	O
at	O
wireless	O
proximity	B-General_Concept
marketing	I-General_Concept
in	O
2000s	O
with	O
early	O
version	O
of	O
Bluetooth	B-Protocol
,	O
NFC	O
and	O
Wi-Fi	O
standards	O
as	O
predominant	O
technologies	O
.	O
</s>
<s>
However	O
,	O
it	O
was	O
not	O
until	O
2013	O
,	O
when	O
Apple	O
Inc	O
.	O
announced	O
the	O
iBeacon	B-General_Concept
protocol	O
for	O
Bluetooth	O
Smart-enabled	O
devices	O
,	O
that	O
the	O
idea	O
of	O
creating	O
smart	B-General_Concept
objects	I-General_Concept
by	O
attaching	O
wireless	O
beacons	O
to	O
them	O
really	O
started	O
gaining	O
traction	O
.	O
</s>
<s>
The	O
term	O
‘	O
nearables’	O
was	O
inspired	O
by	O
wearable	O
computers	O
which	O
were	O
gaining	O
increasing	O
popularity	O
throughout	O
2013	O
and	O
2014	O
thanks	O
to	O
products	O
like	O
Pebble	B-Device
smartwatch	I-Device
and	O
Google	B-Application
Glass	I-Application
.	O
</s>
<s>
Originally	O
,	O
the	O
nearables	B-Device
were	O
described	O
as	O
smart	O
,	O
connected	O
objects	O
that	O
broadcast	O
data	O
about	O
their	O
location	O
,	O
motion	O
and	O
temperature	O
.	O
</s>
<s>
In	O
its	O
first	O
interpretation	O
Nearables	B-Device
are	O
not	O
devices	O
themselves	O
.	O
</s>
<s>
First	O
examples	O
of	O
nearables	B-Device
were	O
objects	O
tagged	O
with	O
Bluetooth	B-General_Concept
Smart	I-General_Concept
beacons	O
supporting	O
accelerometer	O
and	O
temperature	O
sensor	O
and	O
broadcasting	O
their	O
signal	O
in	O
range	O
of	O
approximately	O
50	O
meters	O
.	O
</s>
<s>
They	O
can	O
communicate	O
with	O
mobile	O
applications	O
installed	O
on	O
devices	O
with	O
Bluetooth	B-Protocol
4.0	O
,	O
compatible	O
with	O
Bluetooth	B-General_Concept
Smart	I-General_Concept
protocol	O
on	O
the	O
software	O
side	O
.	O
</s>
<s>
At	O
the	O
moment	O
of	O
their	O
launch	O
,	O
it	O
included	O
mainly	O
iOS	B-Operating_System
7	I-Operating_System
and	O
high-end	O
Android	B-Application
mobile	I-Application
devices	O
.	O
</s>
<s>
Since	O
the	O
only	O
limitation	O
is	O
the	O
size	O
of	O
the	O
device	O
,	O
both	O
items	O
and	O
living	O
beings	O
can	O
act	O
as	O
nearables	B-Device
.	O
</s>
