By AARON LEIBOWITZ from NYT U.S.
https://ift.tt/2MNqt5b
Haunted by mass killings, schools are hiring Twitter and Facebook monitoring services to keep a constant watch on students. The companies say their success can’t be measured.
These Firms Say They Can Help Prevent School Shootings and Suicides. Do They?
By AARON LEIBOWITZ from NYT U.S.
https://ift.tt/2MNqt5b
Haunted by mass killings, schools are hiring Twitter and Facebook monitoring services to keep a constant watch on students. The companies say their success can’t be measured.
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