The domino effect occurs when one event triggers a chain reaction of similar events. Writer and self-professed “professional troublemaker” Luvvie Ajayi encourages individuals who identify injustices to speak up and be the “first domino” to unleash a sequence of events that sparks a movement and foments positive social change. Be warned, however, that being the first domino may require enormous self-sacrifice. Do you have the courage to be a first domino? You may find the inspiration you need in Ajayi’s engaging, humorous address to budding troublemakers.