Boston Marathon Bombing: The platform faced controversy in 2013 when users attempted to identify the bombing suspects, leading to false accusations against innocent individuals. This event sparked important discussions about the responsibilities of social media platforms and their users.

The Fappening: In 2014, Reddit faced another major controversy when users shared leaked celebrity photos, leading to discussions about privacy and content moderation.

Community Activism: Reddit communities began organizing various charitable initiatives and social movements, demonstrating the platform's potential for collective action.