You may not “get” this if you are not an aviation enthusiast or borderline aviation freak like I am.  It probably stems from my childhood as an Air Force Brat and the son of a WWII pilot.  I practically have a compulsion to look skyward whenever I hear aircraft overhead and identify it.  Since I live under one of the departure routes of the airport in my city, I look up a lot.  Southwest 737 eastbound…Delta 737 eastbound…American MD-80 eastbound… and so on.  Now my neck won’t be so sore.  Once I hear a plane I can go to Flightradar24.com and see the aircraft type, airline, departure point and destination.  Just click on the little plane icon and the flight info is displayed.

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Awesome.  I can’t believe I didn’t know about this already.  Now I do.  And so do you.