<s>
Real-time	B-General_Concept
data	I-General_Concept
(	O
RTD	O
)	O
is	O
information	O
that	O
is	O
delivered	O
immediately	O
after	O
collection	O
.	O
</s>
<s>
Real-time	B-General_Concept
data	I-General_Concept
is	O
often	O
used	O
for	O
navigation	O
or	O
tracking	O
.	O
</s>
<s>
Such	O
data	O
is	O
usually	O
processed	B-General_Concept
using	O
real-time	B-General_Concept
computing	I-General_Concept
although	O
it	O
can	O
also	O
be	O
stored	O
for	O
later	O
or	O
off-line	O
data	B-General_Concept
analysis	I-General_Concept
.	O
</s>
<s>
Real-time	B-General_Concept
data	I-General_Concept
is	O
not	O
the	O
same	O
as	O
dynamic	B-General_Concept
data	I-General_Concept
.	O
</s>
<s>
Real-time	B-General_Concept
data	I-General_Concept
can	O
be	O
dynamic	O
(	O
e.g.	O
</s>
<s>
Real-time	B-General_Concept
economic	O
data	O
,	O
and	O
other	O
official	O
statistics	O
,	O
are	O
often	O
based	O
on	O
preliminary	O
estimates	O
,	O
and	O
therefore	O
are	O
frequently	O
adjusted	O
as	O
better	O
estimates	O
become	O
available	O
.	O
</s>
<s>
Macroeconomist	O
Glenn	O
D	O
.	O
Rudebusch	O
defined	O
real-time	B-General_Concept
analysis	O
as	O
'	O
the	O
use	O
of	O
sequential	O
information	O
sets	O
that	O
were	O
actually	O
available	O
as	O
history	O
unfolded.	O
'	O
</s>
<s>
Macroeconomist	O
Athanasios	O
Orphanides	O
has	O
argued	O
that	O
economic	O
policy	O
rules	O
may	O
have	O
very	O
different	O
effects	O
when	O
based	O
on	O
error-prone	O
real-time	B-General_Concept
data	I-General_Concept
(	O
as	O
they	O
inevitably	O
are	O
in	O
reality	O
)	O
than	O
they	O
would	O
if	O
policy	O
makers	O
followed	O
the	O
same	O
rules	O
but	O
had	O
more	O
accurate	O
data	O
available	O
.	O
</s>
<s>
In	O
order	O
to	O
better	O
understand	O
the	O
accuracy	O
of	O
economic	O
data	O
and	O
its	O
effects	O
on	O
economic	O
decisions	O
,	O
some	O
economic	O
organizations	O
,	O
such	O
as	O
the	O
Federal	O
Reserve	O
Bank	O
of	O
St.	O
Louis	O
,	O
Federal	O
Reserve	O
Bank	O
of	O
Philadelphia	O
and	O
the	O
Euro-Area	O
Business	O
Cycle	O
Network	O
(	O
EABCN	O
)	O
,	O
have	O
made	O
databases	O
available	O
that	O
contain	O
both	O
real-time	B-General_Concept
data	I-General_Concept
and	O
subsequent	O
revised	O
estimates	O
of	O
the	O
same	O
data	O
.	O
</s>
<s>
Real-time	B-General_Concept
bidding	O
is	O
programmatic	O
real-time	B-General_Concept
auctions	O
that	O
sell	O
digital-ad	O
impressions	O
.	O
</s>
<s>
Entities	O
on	O
both	O
the	O
buying	O
and	O
selling	O
sides	O
require	O
almost	O
instantaneous	O
access	O
to	O
data	O
in	O
order	O
to	O
make	O
decisions	O
,	O
forcing	O
real-time	B-General_Concept
data	I-General_Concept
to	O
the	O
forefront	O
of	O
their	O
needs	O
.	O
</s>
<s>
To	O
support	O
these	O
needs	O
,	O
new	O
strategies	O
and	O
technologies	O
,	O
such	O
Druid	B-Application
have	O
arisen	O
and	O
are	O
quickly	O
evolving	O
.	O
</s>
