Fig. 2

Network of retweets (giant component). Clusters are represented by color: \({\rm BeC \text{-}p ^{\rm{rt}}}\) (dark green); \({\rm BeC \text{-}m ^{\rm{rt}}}\) (light green); \({\rm ERC ^{\rm{rt}}}\) (yellow); \({\rm PSC ^{\rm{rt}}}\) (red); \({\rm CUP ^{\rm{rt}}}\) (violet); \({\rm Cs ^{\rm{rt}}}\) (orange); \({\rm CiU ^{\rm{rt}}}\) (dark blue); \({\rm PP ^{\rm{rt}}}\) (cyan). The nodes outside of these clusters are gray colored