<s>
ZeroPC	B-General_Concept
was	O
a	O
commercial	O
webtop	O
developed	O
by	O
ZeroDesktop	O
,	O
Inc	O
.	O
located	O
in	O
San	O
Mateo	O
,	O
California	O
.	O
</s>
<s>
ZeroPC	B-General_Concept
has	O
been	O
called	O
a	O
personal	B-General_Concept
cloud	I-General_Concept
OS	O
.	O
</s>
<s>
It	O
mimicked	O
the	O
look	O
,	O
feel	O
and	O
functionality	O
of	O
the	O
desktop	O
environment	O
of	O
a	O
real	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
ZeroPC	B-General_Concept
is	O
web-based	B-Application
and	O
required	O
a	O
Java	B-Application
applet	I-Application
to	O
operate	O
bundled	O
productivity	O
tool	O
Thinkfree	B-Application
.	O
</s>
<s>
The	O
web	B-Application
applications	I-Application
found	O
on	O
ZeroPC	B-General_Concept
are	O
built	O
on	O
Java	B-Device
in	O
the	O
back	O
end	O
.	O
</s>
<s>
Features	O
included	O
drag-and-drop	O
functionality	O
,	O
cloud	O
dashboard	O
and	O
personal	B-General_Concept
cloud	I-General_Concept
storage	O
meta	O
services	O
.	O
</s>
<s>
ZeroPC	B-General_Concept
belonged	O
to	O
a	O
category	O
of	O
services	O
that	O
intended	O
to	O
turn	O
the	O
Web	O
into	O
a	O
full-fledged	O
platform	O
by	O
using	O
Web	O
services	O
as	O
a	O
foundation	O
along	O
with	O
presentation	O
technologies	O
that	O
replicated	O
the	O
experience	O
of	O
desktop	O
applications	O
for	O
users	O
.	O
</s>
<s>
ZeroPC	B-General_Concept
aggregates	O
content	O
so	O
users	O
can	O
easily	O
access	O
,	O
transfer	O
and	O
share	O
whatever	O
content	O
they	O
want	O
,	O
using	O
any	O
internet	O
browser	O
from	O
anywhere	O
,	O
anytime	O
and	O
from	O
any	O
device	O
.	O
</s>
<s>
Its	O
meta-cloud	O
layer	O
supports	O
Dropbox	B-Application
,	O
Box	O
,	O
SugarSync	O
,	O
OneDrive	B-Application
,	O
4Shared	O
,	O
Google	B-Application
Drive	I-Application
,	O
Evernote	B-Application
,	O
Picasa	B-Application
,	O
Flickr	B-Algorithm
,	O
Instagram	B-Application
,	O
Facebook	B-Application
,	O
Twitter	B-Application
,	O
and	O
Photobucket	B-Algorithm
.	O
</s>
<s>
ZeroPC	B-General_Concept
Cloud	O
OS	O
platform	O
also	O
provides	O
extensive	O
APIs	O
for	O
iOS	O
and	O
Android	O
App	O
developers	O
.	O
</s>
<s>
Some	O
of	O
the	O
features	O
found	O
on	O
ZeroPC	B-General_Concept
are	O
:	O
File	O
sharing	O
,	O
Webmail	B-Protocol
,	O
Cloud	O
Content	O
Navigator	O
,	O
Instant	B-Application
messenger	I-Application
,	O
Sticky	O
Note	O
,	O
Audio/Video	O
Player	O
and	O
Office	O
productivity	O
applications	O
.	O
</s>
<s>
ZeroPC	B-General_Concept
2.0	O
platform	O
ran	O
on	O
AWS	B-Application
for	O
free	O
and	O
paid	O
users	O
.	O
</s>
<s>
As	O
of	O
June	O
1	O
,	O
2017	O
,	O
ZeroPC	B-General_Concept
's	O
servers	O
were	O
switched	O
off	O
completely	O
,	O
and	O
ZeroPC	B-General_Concept
is	O
no	O
longer	O
in	O
service	O
since	O
its	O
parent	O
company	O
,	O
NComputing	B-Protocol
,	O
had	O
launched	O
Virtual	O
Desktop	O
Service	O
in	O
the	O
cloud	O
(	O
AWS	B-Application
)	O
to	O
public	O
.	O
</s>
<s>
The	O
ZeroPC	B-General_Concept
web	O
desktop	O
was	O
compatible	O
with	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
and	O
Microsoft	B-Application
Windows	I-Application
platforms	O
.	O
</s>
<s>
It	O
is	O
certified	O
to	O
operate	O
on	O
Safari	B-Application
6.0	O
,	O
Firefox	B-Application
15.0.1	O
,	O
Google	B-Application
Chrome	I-Application
22.0.1229.79	O
m	O
and	O
Internet	B-Application
Explorer	I-Application
8	O
and	O
9	O
.	O
</s>
<s>
The	O
ZeroPC	B-General_Concept
front	O
end	O
user	O
interface	O
executes	O
entirely	O
within	O
an	O
Internet	O
browser	O
(	O
see	O
above	O
)	O
and	O
uses	O
HTML	B-Language
,	O
some	O
features	O
of	O
HTML5	B-Application
,	O
JavaScript	B-Language
,	O
AJAX	B-Device
and	O
an	O
optional	O
Java	B-Application
plug-in	I-Application
.	O
</s>
<s>
All	O
communication	O
between	O
the	O
ZeroPC	B-General_Concept
front	O
end	O
user	O
interface	O
and	O
the	O
ZeroPC	B-General_Concept
back	O
end	O
servers	O
is	O
encrypted	O
using	O
SSL	O
(	O
HTTPS	O
)	O
protocol	O
.	O
</s>
<s>
Furthermore	O
,	O
any	O
content	O
stored	O
in	O
the	O
ZeroPC	B-General_Concept
server-side	O
repository	O
is	O
also	O
encrypted	O
using	O
256-bit	O
Advanced	B-Algorithm
Encryption	I-Algorithm
Standard	I-Algorithm
(	O
AES-256	B-Algorithm
)	O
by	O
the	O
Amazon	B-Application
Web	I-Application
Services	I-Application
Simple	O
Storage	O
Service	O
(	O
S3	O
)	O
.	O
</s>
<s>
ZeroPC	B-General_Concept
users	O
could	O
connect	O
their	O
ZeroPC	B-General_Concept
profile	O
to	O
other	O
storage	O
services	O
such	O
as	O
Dropbox	B-Application
and	O
Box	O
.	O
</s>
<s>
This	O
connection	O
allows	O
the	O
ZeroPC	B-General_Concept
user	O
to	O
fully	O
manage	O
their	O
content	O
stored	O
in	O
these	O
other	O
storage	O
services	O
.	O
</s>
<s>
To	O
establish	O
the	O
connection	O
ZeroPC	B-General_Concept
rigorously	O
adhered	O
to	O
the	O
Oauth	O
implementation	O
provided	O
by	O
the	O
target	O
storage	O
service	O
.	O
</s>
<s>
Upon	O
completion	O
of	O
the	O
Oauth	O
process	O
,	O
ZeroPC	B-General_Concept
stores	O
the	O
relevant	O
access	O
token	O
in	O
the	O
user	O
's	O
profile	O
.	O
</s>
<s>
This	O
token	O
,	O
along	O
with	O
all	O
other	O
sensitive	O
password	O
related	O
data	O
was	O
encrypted	O
using	O
AES	B-Algorithm
256-bit	I-Algorithm
key	O
size	O
.	O
</s>
<s>
As	O
noted	O
above	O
,	O
the	O
ZeroPC	B-General_Concept
platform	O
was	O
hosted	O
on	O
Amazon	B-Application
Web	I-Application
Services	I-Application
infrastructure	O
and	O
is	O
available	O
to	O
the	O
general	O
consumer	O
.	O
</s>
<s>
The	O
ZeroPC	B-General_Concept
could	O
also	O
be	O
white-labeled	O
for	O
organizations	O
wishing	O
to	O
provide	O
this	O
functionality	O
to	O
their	O
own	O
users	O
.	O
</s>
<s>
The	O
white-label	O
options	O
include	O
managed	O
hosting	O
on	O
Amazon	B-Application
Web	I-Application
Services	I-Application
infrastructure	O
and	O
also	O
installation	O
within	O
the	O
organization	O
's	O
IT	O
infrastructure	O
.	O
</s>
<s>
The	O
ZeroPC	B-General_Concept
infrastructure	O
provided	O
user	O
access	O
to	O
content	O
and	O
features	O
in	O
several	O
different	O
ways	O
.	O
</s>
<s>
As	O
described	O
in	O
this	O
article	O
the	O
user	O
can	O
access	O
their	O
information	O
by	O
signing	O
into	O
the	O
ZeroPC	B-General_Concept
web	O
desktop	O
.	O
</s>
<s>
Additionally	O
,	O
ZeroPC	B-General_Concept
offers	O
native	O
applications	O
designed	O
to	O
run	O
on	O
popular	O
mobile	O
devices	O
including	O
smartphones	O
and	O
tablets	O
.	O
</s>
<s>
ZeroPC	B-General_Concept
was	O
founded	O
by	O
Chief	O
Executive	O
Officer	O
,	O
Young	O
Song	O
,	O
an	O
entrepreneur	O
who	O
previously	O
founded	O
NComputing	B-Protocol
,	O
a	O
$60	O
million	O
venture-backed	O
company	O
.	O
</s>
