<s>
Yahoo	B-Application
Calendar	B-Application
is	O
a	O
Web-based	O
calendar	B-Application
service	O
from	O
Yahoo	B-Application
!	I-Application
.	O
</s>
<s>
It	O
can	O
read	O
calendar	B-Application
feeds	O
and	O
events	O
syndicated	O
from	O
sites	O
that	O
make	O
use	O
of	O
the	O
published	O
Yahoo	B-Application
calendar	B-Application
programming	O
interfaces	O
.	O
</s>
<s>
While	O
users	O
are	O
not	O
required	O
to	O
have	O
a	O
Yahoo	B-Application
Mail	O
account	O
,	O
they	O
are	O
required	O
to	O
have	O
a	O
Yahoo	B-Application
ID	O
in	O
order	O
to	O
use	O
the	O
software	O
.	O
</s>
<s>
It	O
is	O
one	O
of	O
the	O
largest	O
online	B-Application
calendar	I-Application
providers	O
and	O
serves	O
millions	O
of	O
users	O
.	O
</s>
<s>
Yahoo	B-Application
Calendar	B-Application
has	O
the	O
following	O
features	O
:	O
</s>
<s>
The	O
mechanism	O
allows	O
several	O
different	O
methods	O
of	O
sharing	O
including	O
publicly	O
sharing	O
your	O
calendar	B-Application
,	O
sharing	O
your	O
calendar	B-Application
with	O
a	O
specific	O
Yahoo	B-Application
Group	I-Application
,	O
and	O
sharing	O
your	O
calendar	B-Application
with	O
a	O
particular	O
Yahoo	B-Application
!	I-Application
</s>
<s>
Automatically	O
read	O
,	O
integrate	O
,	O
and	O
republish	O
public	O
and	O
personal	O
events	O
syndicated	O
from	O
Eventful	O
,	O
Upcoming	B-Application
,	O
Evite	O
,	O
Bookwhen	O
,	O
and	O
other	O
sites	O
.	O
</s>
<s>
Calendar	B-Application
sharing	O
is	O
also	O
available	O
.	O
</s>
<s>
In	O
October	O
2008	O
Yahoo	B-Application
launched	O
Yahoo	B-Application
Calendar	B-Application
Beta	O
to	O
the	O
public	O
.	O
</s>
<s>
It	O
featured	O
a	O
completely	O
redesigned	O
interface	O
similar	O
to	O
the	O
All-New	O
Yahoo	B-Application
Mail	O
.	O
</s>
<s>
It	O
also	O
includes	O
support	O
for	O
open	O
standards	O
,	O
support	O
for	O
subscriptions	O
to	O
any	O
iCalendar-based	O
public	O
calendar	B-Application
,	O
Flickr	O
integration	O
,	O
drag	O
&	O
drop	O
functionality	O
and	O
Outlook	O
auto-sync	O
.	O
</s>
