Experts say Facebook's opaque approach toward flagging possible suicide threats to police around the world may not be accurate, effective, or safe (Natasha Singer/New York Times)

Natasha Singer / New York Times:
Experts say Facebook's opaque approach toward flagging possible suicide threats to police around the world may not be accurate, effective, or safe  —  A police officer on the late shift in an Ohio town recently received an unusual call from Facebook.  —  Earlier that day …

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