Airplane passengers must listen to a safety presentation every time they fly. The airplane ___1___ passengers the safety ___2___ the plane and explain how to use them. Most times, especially ___3___ travelers, these presentations are boring, so they don’t pay attention. Airline companies ___4___ that their passengers watch and listen to the directions because they are important in case there’s ___5___ . To attract passenger interest more airlines are creating interesting and funny videos to encourage more passengers to pay attention. Many of these videos have the quality of ___6___ and often have famous people in them. Some of these safety videos have become so popular that millions of people have watched them online.