Dark Social is an approachable and widely applicable guide to the dangers of social media, and the steps that can be taken by businesses to avoid any negative consequences as a result of social media activity. Despite these risks, social media should not be neglected - it has become a fundamental part of business literacy and is now an essential element of any successful marketing & PR campaign. From Donald Trump's outrageous tweets to the impact of the GRU (Russia's military intelligence agency) on foreign elections, through to echo chambers and amplification by bots and networks--the negative side of social media is becoming ever more apparent. Now far removed from a comfortable landscape of cat videos and family pictures, social media is now open to exploitation from a range of sources, from disgruntled employees to 'fake news'. The negative impact of social media upon the workplace can have damaging consequences for businesses. Reputations can be ruined overnight, employees can manipulate social media feeds to their own advantage, and the boundaries between professional and personal social media conduct can become dangerously blurred. Drawing upon fascinating case studies and organizational psychology, Dark Social is a timely and fascinating insight into the darker side of social media. --