Why Facebook is for ice buckets and Twitter is for what’s actually going on

Tomorrow’s Observer column

Ferguson is a predominantly black town, but its police force is predominantly white. Shortly after the killing, bystanders were recording eyewitness interviews and protests on smartphones and linking to the resulting footage from their Twitter accounts. News of the killing spread like wildfire across the US, leading to days of street confrontations between protesters and police and the imposition of something very like martial law. The US attorney general eventually turned up and the FBI opened a civil rights investigation. For days, if you were a Twitter user, Ferguson dominated your tweetstream, to the point where one of my acquaintances, returning from a holiday off the grid, initially inferred from the trending hashtag “#ferguson” that Sir Alex had died.

There’s no doubt that Twitter played a key role in elevating a local killing into national and international news. (Even Putin’s staff had some fun with it, offering to send human rights observers.) More than 3.6m Ferguson-related tweets were sent between 9 August, the day Brown was killed, and 17 August.

Three cheers for social media, then?

Not quite. ..

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