Millions of New Yorkers’ cell phones screamed out an air raid siren-like sound yesterday morning flashing a message that said “WANTED.” The alerts signaled the manhunt for a suspected bomber in the Manhattan blast that occurred on Saturday but also represented the first digital manhunt in New York City.
Along with digital billboards, radio
and TV stations, used by law enforcement to alert the public this modern
equivalent of a “wanted” poster showed up on everyone’s phone. TheTwitter alert looked like this: