Real customers have come up with inventions to improve the inflight experience. They’re not always uncontroversial. The knee defender keeps the passenger in front of you from reclining but has also led to conflicts. Less so the armrest splitter or the spAIRtray which gives you a little ledge beside the window seat that you install in the aircraft window.
Now comes a new innovation truly for our times: a stick on, peel off faux stained glass window to create ambiance in the cabin, help you pray, and stand between you and germs on the window.