This was possible before social media, but social media (like most technology) allows it to happen faster, on a larger, scale, and cheaply. Before you had to re

This was possible before social media, but social media (like most technology) allows it to happen faster, on a larger, scale, and cheaply. Before you had to rely on neighbors' gossip. Now you have Facebook, where your "neighbors" from two continents over tell you things are wrong in your neighborhood.