After the explosions yesterday at the Boston Marathon, police departments used social media to send out immediate updates. Since the mid-1970s, police scanners have been the only way for civilians to access real-time updates from police departments. Scanners work by flipping through multiple open radio conversations on emergency channels, providing an overall picture of a crisis from the people on the ground reacting to it. Because they offer fast and direct first-hand accounts, scanners have be...
After the explosions yesterday at the Boston Marathon, police departments used social media to send out immediate updates. Since the mid-1970s, police scanners have been the only way for civilians to access real-time updates from police departments. Scanners work by flipping through multiple open radio conversations on emergency channels, providing an overall picture of a crisis from the people on the ground reacting to it. Because they offer fast and direct first-hand accounts, scanners have be...
Share this Article
Recommended