On Sat, 16 Aug 2008 19:31:07 +0000, Paul J Gans wrote:

Because the radio age *here* will last only about 200 years, if that.

I don't see why.  As fiber-optic communication spreads, microwave point-
to-point is tending to decrease, but cell phone and other personal radio 
communication devices are proliferating at a strong rate.  What will take 
the place of that, along with: shipboard radar and radio?  Personal and 
professional GPS equipment?  Aircraft communication and landing systems?  
Rush Limbaugh and Howard Stern?