<s>
ZumoDrive	B-Protocol
is	O
a	O
defunct	O
cloud-based	B-Architecture
file	B-Application
hosting	I-Application
service	I-Application
operated	O
by	O
Zecter	O
,	O
Inc	O
.	O
On	O
December	O
22	O
,	O
2010	O
,	O
Zecter	O
announced	O
its	O
acquisition	O
by	O
Motorola	O
Mobility	O
.	O
</s>
<s>
ZumoDrive	B-Protocol
had	O
a	O
cross-platform	O
client	O
(	O
Windows	O
,	O
macOS	B-Application
,	O
Linux	B-Application
,	O
iOS	B-Operating_System
,	O
Android	B-Application
,	O
and	O
Palm	B-Operating_System
webOS	I-Operating_System
)	O
that	O
enabled	O
users	O
to	O
copy	O
any	O
file	O
or	O
folder	O
into	O
the	O
ZumoDrive	B-Protocol
virtual	O
disk	O
that	O
was	O
then	O
synced	O
to	O
the	O
web	O
and	O
the	O
users	O
 '	O
other	O
computers	O
and	O
hand-held	O
devices	O
.	O
</s>
<s>
Files	O
in	O
the	O
ZumoDrive	B-Protocol
virtual	O
disk	O
could	O
be	O
shared	O
with	O
other	O
ZumoDrive	B-Protocol
users	O
or	O
accessed	O
from	O
the	O
web	O
.	O
</s>
<s>
A	O
free	O
ZumoDrive	B-Protocol
account	O
offered	O
2GB	O
of	O
storage	O
,	O
and	O
users	O
could	O
upgrade	O
to	O
paid	O
plans	O
ranging	O
from	O
10	O
GB	O
to	O
500	O
GB	O
for	O
a	O
monthly	O
subscription	O
fee	O
.	O
</s>
<s>
The	O
ZumoDrive	B-Protocol
service	O
was	O
integrated	O
into	O
Yahoo	O
!	O
</s>
<s>
Mail	O
,	O
allowing	O
users	O
to	O
send	O
or	O
receive	O
any	O
file	O
on	O
their	O
ZumoDrive	B-Protocol
(	O
the	O
integration	O
with	O
Yahoo	O
!	O
</s>
<s>
Mail	O
has	O
been	O
stopped	O
as	O
of	O
June	O
1	O
,	O
2012	O
)	O
,	O
and	O
powers	O
HP	O
's	O
recent	O
CloudDrive	O
technology	O
,	O
bundled	O
on	O
all	O
new	O
HP	B-Application
Mini	I-Application
netbooks	B-Device
.	O
</s>
<s>
ZumoDrive	B-Protocol
was	O
created	O
by	O
the	O
Silicon	O
Valley	O
based	O
company	O
Zecter	O
,	O
which	O
was	O
founded	O
by	O
David	O
Zhao	O
,	O
Kevin	O
West	O
,	O
and	O
Vijay	O
Mani	O
in	O
2007	O
.	O
</s>
<s>
Zhao	O
is	O
a	O
former	O
application	O
developer	O
for	O
Amazon	B-Application
while	O
West	O
and	O
Mani	O
were	O
former	O
Microsoft	O
employees	O
.	O
</s>
<s>
Development	O
for	O
ZumoDrive	B-Protocol
began	O
in	O
2008	O
and	O
the	O
product	O
launched	O
in	O
January	O
2009	O
.	O
</s>
<s>
Zumodrive	B-Protocol
announced	O
that	O
its	O
service	O
would	O
no	O
longer	O
be	O
available	O
as	O
of	O
June	O
1	O
,	O
2012	O
although	O
users	O
of	O
the	O
HP	O
,	O
CruzSync	O
,	O
and	O
Toshiba	O
branded	O
services	O
were	O
initially	O
unaffected	O
.	O
</s>
<s>
While	O
ZumoDrive	B-Protocol
functioned	O
as	O
a	O
file	B-Application
synchronization	I-Application
and	O
storage	O
service	O
,	O
it	O
employed	O
an	O
approach	O
that	O
allows	O
content	O
in	B-Architecture
the	I-Architecture
cloud	I-Architecture
to	O
appear	O
local	O
to	O
the	O
filesystem	B-Application
.	O
</s>
<s>
ZumoDrive	B-Protocol
synchronization	O
uses	O
SSL	B-Protocol
transfers	O
with	O
AES-256	B-Algorithm
encryption	O
,	O
and	O
it	O
supports	O
revision	O
history	O
—	O
by	O
use	O
of	O
deltas	O
or	O
delta	B-Algorithm
encoding	I-Algorithm
technology	O
—	O
so	O
files	O
deleted	O
from	O
the	O
ZumoDrive	B-Protocol
virtual	O
disk	O
may	O
be	O
recovered	O
from	O
any	O
of	O
the	O
synced	O
computers	O
.	O
</s>
<s>
ZumoDrive	B-Protocol
's	O
version	O
control	O
also	O
helped	O
users	O
know	O
the	O
history	O
of	O
a	O
file	O
they	O
may	O
have	O
been	O
currently	O
working	O
on	O
,	O
enabling	O
more	O
than	O
one	O
person	O
to	O
edit	O
and	O
re-post	O
files	O
without	O
edit	O
conflicts	O
or	O
loss	O
of	O
information	O
.	O
</s>
<s>
There	O
is	O
no	O
limit	O
to	O
file	O
size	O
for	O
files	O
added	O
via	O
the	O
ZumoDrive	B-Protocol
client	O
.	O
</s>
<s>
ZumoDrive	B-Protocol
used	O
Amazon	B-Application
's	I-Application
S3	B-General_Concept
simple	B-General_Concept
storage	I-General_Concept
service	I-General_Concept
to	O
store	O
files	O
in	B-Architecture
the	I-Architecture
cloud	I-Architecture
.	O
</s>
<s>
The	O
ZumoDrive	B-Protocol
service	O
was	O
a	O
unique	O
file	B-Application
sync	I-Application
and	O
storage	O
service	O
in	O
that	O
content	O
appears	O
local	O
to	O
the	O
filesystem	B-Application
and	O
can	O
be	O
streamed	O
from	O
the	O
cloud	O
on	O
demand	O
.	O
</s>
<s>
Users	O
can	O
stream	O
music	O
directly	O
from	O
ZumoDrive	B-Protocol
to	O
iPhone	B-Device
,	O
iPod	O
Touch	O
,	O
Android	B-Application
and	O
WebOS	B-Operating_System
devices	O
.	O
</s>
<s>
The	O
ZumoDrive	B-Protocol
service	O
also	O
offers	O
intelligent	O
"	O
predictive	O
caching	O
"	O
which	O
allows	O
copies	O
of	O
frequently	O
used	O
files	O
to	O
be	O
stored	O
locally	O
so	O
users	O
can	O
access	O
these	O
files	O
when	O
they	O
do	O
n't	O
have	O
internet	O
access	O
.	O
</s>
<s>
ZumoDrive	B-Protocol
allows	O
users	O
to	O
selectively	O
synchronize	O
individual	O
files	O
,	O
folders	O
,	O
or	O
the	O
entire	O
virtual	O
drive	O
.	O
</s>
<s>
Users	O
can	O
also	O
link	O
folders	O
in	O
place	O
on	O
their	O
computers	O
to	O
their	O
ZumoDrive	B-Protocol
,	O
and	O
these	O
folders	O
and	O
all	O
content	O
will	O
stay	O
in	O
sync	O
across	O
all	O
devices	O
.	O
</s>
<s>
The	O
ZumoDrive	B-Protocol
service	O
allows	O
storage-restricted	O
devices	O
(	O
e.g.	O
,	O
netbooks	B-Device
,	O
iPhones	B-Device
,	O
WebOS	B-Operating_System
,	O
and	O
Android	B-Application
handsets	I-Application
)	O
,	O
to	O
have	O
full	O
access	O
to	O
the	O
cloud	O
,	O
thereby	O
making	O
these	O
devices	O
appear	O
to	O
be	O
as	O
large	O
as	O
there	O
is	O
data	O
available	O
in	B-Architecture
the	I-Architecture
cloud	I-Architecture
.	O
</s>
<s>
Slow	O
broadband	B-General_Concept
connection	O
speeds	O
can	O
make	O
streaming	O
large	O
files	O
,	O
such	O
as	O
movies	O
to	O
mobile	O
and	O
other	O
remote	O
devices	O
difficult	O
.	O
</s>
<s>
While	O
ZumoDrive	B-Protocol
encrypts	O
transport	O
of	O
all	O
content	O
with	O
256-bit	O
SSL	B-Protocol
,	O
and	O
stores	O
that	O
content	O
encrypted	O
on	O
Amazon	B-General_Concept
S3	I-General_Concept
servers	I-General_Concept
,	O
that	O
content	O
is	O
still	O
accessible	O
to	O
ZumoDrive	B-Protocol
administrators	O
.	O
</s>
