A global inventory of organized social media manipulation

In light of the US election being hacked by foreign and domestic social media trolls, this report from Computational Propaganda Research Project is enlightening. From the executive summary:

"Cyber troops are government, military or political party teams committed to manipulating public opinion over social media. In this working paper, we report on specific organization created, often with public money, to help define and manage what is in the best interest of the public. We compare such organizations across 28 countries, and inventory them according to the kinds of messages, valences and communication strategies used. We catalog the organizational forms and evaluate their capacities in terms of budgets and staffing. This working paper summarizes the findings of the first comprehensive inventory of the major organizations behind social media manipulation."