Birds and people who haven't adopted GPS will be screwed... http://en.wikipedia.org/wiki/File:NASA_54559main_comparison1_strip.gif http://en.wikipedia.org/wiki/

Birds and people who haven't adopted GPS will be screwed... http://en.wikipedia.org/wiki/File:NASA_54559main_comparison1_strip.gif http://en.wikipedia.org/wiki/File:NASA_54559main_comparison1...