When Nepal banned major social media platforms including Facebook last week citing a tide of fake news, activists like Sandip saw it as an attempt to silence their growing online anti-corruption movement. Stung into action, they turned to still-accessible apps such as Viber and TikTok to rally thousands, sparking protests that left at least 19 protesters dead and ultimately forced Prime Minister KP Sharma Oli from office on Tuesday. Their success came 13 months after similar youth-led protests in nearby Bangladesh forced out Sheikh Hasina, who had been prime minister since 2009. Sandip, a social media influencer who uses one name, said he had made several online appeals, some using virtual private networks to evade the ban, but had not...