the.com/tipping
A voluntary gift that somehow became a mandatory math problem with feelings attached.
means Giving extra money to service workers beyond the listed price, usually as a percentage and usually with mild anxiety.
from Likely from 18th-century coffeehouses where patrons left coins To Insure Promptness — though that tidy acronym is probably a charming myth invented after the fact.
Wage gapUS allows sub-minimum wages assuming tips fill it
Screen creepTablets now suggest tips on takeout coffee
Banned abroadJapan can find tipping faintly insulting