As the number of FOI's do increase steadily, it makes sense to "cluster" these instead of pointing to a cloud of FOI's.
Last week I came across this new feature called GEOCUBES developed by a Berlin (Germany) located company named Skilldeal.com.
(28.01.2009) One more comment:
I think there is no need for the GEOCUBES functionality in Oracle Maps, as we do influence the appearance of the FOI's according to the Zoom-Levels. In Mapviewer and Oracle Maps we can setup the layers in relation to a Zoom-Level.
This is different in Google Maps: there you do see ALL FOI's at all Zoom-Levels, and therefore it makes sense to use GEOCUBES.