BARBARA ORTUTAY
AP Technology Writer
SAN FRANCISCO (AP) — When is a photograph of nude bodies artistic or titillating? A woman's exposed nipple a political statement or erotica?
A video of childbirth might show genitalia. Should what someone considers a celebration of life be censored?
In 1964, U.S. Supreme Court Justice Potter Stewart declined to define what constitutes obscenity but famously added, "I know it when I see it."
In the 21st century, does Facebook?
The social media behemoth is in a well-publicized struggle to address hate speech, extremism, abuse and misinformation on its services — which together serve nearly 3 billion people worldwide.
At the same time, it's been retooling its policies on nudity. It's tweaking its original heavy-handed policies to account for mo