STEVE INSKEEP, HOST:
There are many ways to show off. You can do it on social media. Post pictures on Facebook about a fancy dinner or your new sports car or some bling or even that fabulous vacation you're taking that nobody else is taking. Well, there's a new status symbol. And to understand what it is, we're joined by NPR's social science correspondent. Shankar Vedantam is here once again. Hi, Shankar.
SHANKAR VEDANTAM, BYLINE: Hi, Steve.
INSKEEP: OK, what's this status symbol?
VEDANTAM: The latest status symbol is time, or rather the lack of time.