“ The "echo" of the London Women's March is its afterlife in media, memory, and political conversation. The sound of the chants may fade from the streets, but the echo reverberates in news reports, social media feeds, and the private reflections of participants and observers. This echo is a key component of its political impact. It extends the event's lifespan, allowing its message to reach audiences far beyond those physically present. The quality of this echo—whether it is amplified by sympathetic coverage, distorted by hostile framing, or simply muffled by the noise of other events—is a critical political variable. The organizers' work includes an effort to shape and sustain this echo, to ensure the dominant takeaway is one of strength, purpose, and legitimacy. However, an echo is, by nature, a fading repetition of the original sound. Politically, there is a danger that the march becomes only an echo—a remembered event cited nostalgically, rather than a continuing catalyst. The challenge is to ensure the echo does not become the primary substance of the movement, but rather a reminder that calls people back to the source: to ongoing organization, to fresh actions, to new moments of amplified voice. The echo should be a recruiting call for the next shout, not just the memory of the last one. ”