<s>
Proximity	B-Protocol
chat	I-Protocol
or	O
spatial	B-Protocol
chat	I-Protocol
or	O
positional	O
chat	O
is	O
type	O
of	O
internet	O
platform	O
that	O
overlays	O
video	B-Application
teleconferencing	I-Application
software	O
on	O
a	O
virtual	B-Application
world	I-Application
environment	O
,	O
so	O
that	O
users	O
can	O
navigate	O
freely	O
and	O
have	O
conversations	O
among	O
small	O
groups	O
.	O
</s>
<s>
A	O
distribution	O
of	O
small	O
groups	O
across	O
a	O
virtual	B-Application
world	I-Application
map	O
can	O
be	O
more	O
informal	O
than	O
a	O
many-to-many	B-Architecture
session	O
,	O
and	O
to	O
some	O
extent	O
this	O
format	O
is	O
a	O
functional	O
replacement	O
for	O
breakout	O
rooms	O
.	O
</s>
<s>
Some	O
of	O
the	O
platforms	O
employ	O
a	O
retrogaming	O
aesthetic	O
similar	O
to	O
a	O
2D	O
overworld	O
,	O
while	O
others	O
work	O
from	O
a	O
blank	O
virtual	B-Application
world	I-Application
or	O
one	O
built	O
up	O
of	O
a	O
collage	O
of	O
photos	O
placed	O
by	O
the	O
user	O
.	O
</s>
<s>
Proximity	B-Protocol
chat	I-Protocol
has	O
been	O
featured	O
in	O
many	O
multiplayer	O
video	O
games	O
.	O
</s>
<s>
One	O
popular	O
software	O
for	O
implementing	O
this	O
functionality	O
in	O
games	O
without	O
built-in	O
proximity	B-Protocol
chat	I-Protocol
is	O
Mumble	B-Language
.	O
</s>
<s>
In	O
2021	O
the	O
children	O
's	O
game	O
platform	O
Roblox	B-Protocol
introduced	O
a	O
proximity	B-Protocol
chat	I-Protocol
feature	O
for	O
verified	O
users	O
over	O
the	O
age	O
of	O
13	O
.	O
</s>
