Thu, 26 Jan 2012 07:10:09 +0100 Twitter is well-known for its role in granting a voice to all, from the disenfranchised to the lunch tweeter. But what happens when the Twitter hive doesn’t like what’s being said? Well, they change the subject. Recently, hoards of tweeters have hijacked some hashtag campaigns out of disgust; co-opting and rebranding the hashtag to create a new discussion.The #McFail (Source: Digital Trends)