For people old enough to remember phone booths, a blunt reference to salary in a social setting still represents the height of bad manners. But for many young professionals, the don’t-ask-don’t-tell etiquette of previous generations seems like a relic. For them, salary information is now fair game, at least among friends. Many consider it crucial to prosper in an increasingly transient, winner-take-all workplace — regardless of the envy that full disclosure can raise.
— "Sharing Salary Figures on Facebook" by Alex Williams in the New York Times