This book interrogates the existing theories of convergence culture and audience engagement within the media and communication disciplines by providing grounded examples of social media use as a social mobilization tool within the media industries. As digital influencers garner large audiences across platforms such as YouTube and Instagram, they sway opinions and tastes towards often-commercial interests. However, this everyday social media practice also presents an opportunity for socially and morally motivated intermediaries to impact on public issues.

Cultural...