I hope the link works.  Article focuses on the increasing tendency of people to engage in loud conversations on speakerphone in public places, especially airports,  and also to have movies blaring loudly while flying. 
My solution was to invest in a beautiful set of Sony 
noise cancelling headphones a few years ago.  Love flying wearing them and enjoying music stored on various devices. The “sales-pitches” over the plane’s PA system delivered by flight attendants (usually for some airline sponsored credit card) as we taxied for a half hour before takeoff around sprawling O’Hare was becoming too much for me. They’re great while  awaiting flights in the boarding area too.
https://www.wsj.com/lifestyle/travel/travel-flight-delays-christmas-technology-delays-ea464fbe?st=NyiPTd&reflink=article_copyURL_share             
      
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