While social media can be a fun place, it can also be very dangerous for younger people. To help enhance child safety on the platform, Instagram is implementing significant changes to its algorithm.

Six-year-old Etan Patz disappeared while walking to a school bus stop in 1979. The publicity of the case led to a societal shift and greater coordination among law enforcement.

And his father, a photographer, distributed professional-grade pictures of Patz for missing child posters. But as NPR reported in 2012, police in New York City had a limited ability to communicate ...