Can a #BlackLivesMatter Twitter bot support activism and silence trolls?

This article is from the source 'guardian' and was first published or seen on July 22, 2015 14:24 (UTC). It last changed over 40 days ago and won't be checked again for changes.

You can find the current article at its original source at http://www.theguardian.com/commentisfree/2015/jul/22/blacklivesmatter-twitter-bot-activism-trolls

The article has changed 1 times. There is an RSS feed of changes available.