Still, the new pope has not been a prolific poster — and much of what he shared was fairly standard Catholic fare — so his social media posts don't give a complete picture of all his political ...

However, the gold standard way to test causation ... effects on young women. The sizes of these effects are meaningful, but perhaps smaller than social media’s fiercest critics might expect.

Chipotle customers' bowls and burritos may be heftier going forward after the chain's CEO addressed social media users' concerns over portion sizes during an investor call. Brian Niccol ...