Alva Review-Courier -

PARKLAND, Fla. (AP) — When two teenagers slaughtered 12 students and a teacher at Columbine High School in Colorado 19 years ago, young people across the country learned the news the old-fashioned way: largely on television and in newspapers. It took days, if not weeks, to process the information and discover the full, horrific story.

When a gunman killed 17 people at a Florida high school last week, youngsters around the globe watched the terrifying images and accounts unfold almost in real time. By the end of the day on Feb. 14, children with social media knew the name of the suspect, l...