An ability to zoom into a smaller region would be nice. Also, hovering the mouse over an airport would pop up a tooltip with the airport's name and/or code. In

An ability to zoom into a smaller region would be nice. Also, hovering the mouse over an airport would pop up a tooltip with the airport's name and/or code. In any case, this is amazing! Oh, and displaying country borders and/or lat/lon lines would be great as well.