Figure 7

Probability of success of a tweet given the Untrustworthiness of the OP. As seen in Fig. 6 for the BotScore, medium entropy URLs tend to dominate over the others, almost always obtaining more success. The only exception being the high entropy and low-U URLs that probably represent a core of reliable, mainstream media content that are widely diffused through the network. Evidence in this Fig. and in Fig. 6 suggests that the key for a URL to be successful is to be diffused beyond its originating community, but without getting too far from it, or better yet, without being shared in too many other communities