There's often talk about the danger of spreading false information on Twitter through the power of the retweet.

There's often talk about the danger of spreading false information on Twitter through the power of the retweet. Critics have said that journalists need to take care to confirm facts before tweeting or re-tweeting, and some news organizations have implemented social media guidelines to combat this, among other things

The Guardian has launched an interesting interactive feature detailing how misinformation spread on Twitter during the London riots this summer. False rumours that were tracked include: London Eye set on fire, rioters releasing animals from the London zoo, and the army being deployed in Bank. 

Check the feature out here