National Economy Facebook Founder's Philanthropic Aspirations Highlighted In Announcement 5:22pm December 02, 2015 ECONOMY Technology Business U.S. Share URL copied to clipboard! Copyright 2015 NPR. To see more, visit http://www.npr.org/. 300x250 Ad More All Things Considered Science Days are getting slightly longer — and it's due to climate change by Lauren Sommer What happened to the glamorous days of airline travel? You pay for what you get by Erika Beras 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate