response to Street Maps and GPS Revolution

Since GPS started as military tech and eventually became available to the public, should we wonder what military tech exists today that is not yet available to the public?

The ultimate Earth mapping would consist of a conglomeration of mapping projects, not just one. In addition to a fully 3-dimensional virtual Earth, the Ultimate iteration would have to include real time information, as I discussed in the previous blog.

How close are we really to that realization?  If we consider the top secret military factor, we might be closer than we think...