<s>
Borg	B-Operating_System
is	O
a	O
cluster	B-Operating_System
manager	I-Operating_System
used	O
by	O
Google	B-Application
.	I-Application
</s>
<s>
It	O
led	O
to	O
widespread	O
use	O
of	O
similar	O
approaches	O
such	O
as	O
Docker	B-Language
and	O
Kubernetes	B-General_Concept
.	O
</s>
