<s>
Amazon	B-General_Concept
Lex	I-General_Concept
is	O
a	O
service	O
for	O
building	O
conversational	B-General_Concept
interfaces	I-General_Concept
into	O
any	O
application	O
using	O
voice	O
and	O
text	O
.	O
</s>
<s>
It	O
powers	O
the	O
Amazon	B-Application
Alexa	I-Application
virtual	B-Protocol
assistant	I-Protocol
.	O
</s>
<s>
In	O
April	O
2017	O
,	O
the	O
platform	O
was	O
released	O
to	O
the	O
developer	O
community	O
,	O
and	O
suggested	O
that	O
it	O
could	O
be	O
used	O
for	O
conversational	B-General_Concept
interfaces	I-General_Concept
(	O
chatbots	B-Application
or	O
otherwise	O
)	O
including	O
Web	O
,	O
mobile	O
apps	O
,	O
robots	O
,	O
toys	O
,	O
drones	O
,	O
and	O
more	O
.	O
</s>
<s>
Amazon	O
already	O
had	O
launched	O
Alexa	B-Application
Voice	O
Services	O
,	O
which	O
developers	O
can	O
use	O
to	O
integrate	O
Alexa	B-Application
into	O
their	O
own	O
devices	O
,	O
like	O
smart	B-Device
speakers	I-Device
,	O
alarm	O
clocks	O
,	O
etc	O
.	O
</s>
<s>
;	O
however	O
,	O
Lex	O
will	O
not	O
require	O
that	O
end	O
users	O
interact	O
with	O
the	O
Alexa	B-Application
assistant	O
per	O
se	O
,	O
but	O
rather	O
any	O
type	O
of	O
assistant	O
or	O
interface	O
.	O
</s>
<s>
As	O
of	O
February	O
2018	O
,	O
users	O
can	O
now	O
define	O
a	O
response	O
for	O
Amazon	B-General_Concept
Lex	I-General_Concept
chatbots	B-Application
directly	O
from	O
the	O
AWS	O
management	O
console	O
.	O
</s>
