Scene from Ferguson, Missouri, in 2014, after the unarmed Michael Brown was shot by police officer Darren Wilson.

In the 1960s, if you were a civil rights worker stationed in the Deep South and you needed to get some urgent news out to the rest of the world—word of a beating or an activist’s arrest or some brewing state of danger—you would likely head straight for a telephone.

From an office or a phone booth in hostile territory, you would place a call to one of the major national civil rights organizations. But you wouldn’t do it by dialing a standard long-distance number. That would involve speaking first to a switchboard operator—who was bound to be white and who might block your call. Instead you’d dial the number for something called a Wide Area Telephone Service, or WATS, line.

Like an 800 line, you could dial a WATS number from anywhere in the region and the call would patch directly through to the business or organization that paid for the line—in this case, say, the Student Nonviolent Coordinating Committee.

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A man yells, “Hands up, don’t shoot,” in Ferguson, Missouri, 
while protesting the death of Michael Brown in August 2014.

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Protesters walk up West Florissant Avenue, near the street 
where Michael Brown was shot by a police officer.