Twitter has been going on for over 2000 years. Just look at this verse in the Bible:
The assembly was in confusion: Some were shouting one thing, some another. Most of the people did not even know why they were there.
-Acts 19:32
What will it take for the US to seriously reconsider its gun laws & culture? It's not more dead kids. We've proven that. I fear it will only happen when the violence gets so bad that it drives away businesses, impacts economic growth, & threatens our other sacred idol—money.