As aircraft began to fly at higher ... They realized that the sharp corners of square windows were creating stress concentration points where the material was most likely to fail under extreme ...

increased use of lightweight materials in manufacturing aircraft window frames, and a surge in the replacement of old aircraft supplement the growth of the aircraft window frame market.

Unfortunately, there have been instances of people putting their Windows computer into Airplane mode without being able to turn it off, preventing them from restoring your WiFi connection.