It has made customers get service more quickly. For example when people used to wait in drive thrus at restaurants, they would have to wait until someone took their order and then told the people inside to cook the food . Now with the speakers they use, the employees can easily get your order from inside and efficiently alert the chefs to cook the food.
Perhaps the most successful way we've been able to use light to transfer information is fiber optics. ... Through rapid changes in the light, you can send highly complex signals down the cable. These are most often used either for high speed internet connections, or for sending sound signals to home theater systems.
There are a lot of names for it. The most common is senior slump and senioritis.
Busy highway thats why they build sound barriers when a residetial area is directly next to a highway
