<s>
PathCheck	B-Application
Foundation	O
is	O
a	O
volunteer-led	O
nonprofit	O
organization	O
founded	O
in	O
February	O
2020	O
at	O
MIT	O
that	O
develops	O
COVID-19	B-Application
apps	I-Application
for	O
digital	B-Protocol
contact	I-Protocol
tracing	I-Protocol
.	O
</s>
<s>
The	O
organization	O
was	O
previously	O
known	O
as	O
COVID	O
Safe	O
Paths	O
(	O
and	O
before	O
MIT	O
Safe	O
Paths	O
)	O
but	O
was	O
renamed	O
PathCheck	B-Application
Foundation	O
on	O
June	O
28	O
,	O
2020	O
.	O
</s>
<s>
The	O
original	O
technology	O
for	O
the	O
PathCheck	B-Application
app	O
was	O
based	O
on	O
the	O
MIT	O
Private	O
Kit	O
:	O
Safe	O
Paths	O
app	O
created	O
by	O
Ramesh	O
Raskar	O
with	O
Sandy	O
Pentland	O
,	O
Kent	O
Larson	O
,	O
Steve	O
Penrod	O
,	O
and	O
Kevin	O
Esvelt	O
.	O
</s>
<s>
Reopen	O
Safely	O
and	O
Researchers	O
Find	O
a	O
Cure	O
"	O
,	O
describing	O
the	O
use	O
of	O
contact	O
tracing	O
technologies	O
used	O
by	O
PathCheck	B-Application
.	O
</s>
<s>
He	O
also	O
spoke	O
about	O
PathCheck	B-Application
's	O
surveillance	O
and	O
privacy	O
methods	O
at	O
the	O
Wall	O
Street	O
Journal	O
Tech	O
Health	O
event	O
.	O
</s>
<s>
Apps	O
developed	O
by	O
PathCheck	B-Application
have	O
been	O
adopted	O
by	O
the	O
governments	O
of	O
Minnesota	O
,	O
Hawaii	O
,	O
Guam	O
,	O
Puerto	O
Rico	O
,	O
Teton	O
County	O
,	O
Wyoming	O
(	O
home	O
of	O
Yellowstone	O
National	O
Park	O
)	O
,	O
and	O
Cyprus	O
.	O
</s>
