protagonists while sharing his pickup techniques makes a reference to tipping the usher in order to get a good pocribe, kind of an up-front payment to get what you want. now in modern-day america it's a ubiquitous extra payment for almost every service, after every meal, drink, cabdrivers and doormen and of course at the barbershop and the hair salon. we are expected to tip. to add a gratuity for services rendered. but why do we do that? and is it actually a bad thing? the argument for a ban on gratuities and tips is next. this is for you. ♪ [ male announcer ] bob's heart attack didn't come with a warning. today his doctor has him on a bayer aspirin regimen to help reduce the risk of another one. if you've had a heart attack, be sure to talk to your doctor before you begin an aspirin regimen. you can fill that box and pay one flat rate. how naughty was he? oh boy... [ male announcer ] fedex one rate. simple, flat rate shipping with the reliability of fedex. [ male announcer ] how could a luminous protein in jellyfish, impact life expectancy in the u.s., real estate in hong kong, and the optics ind