Product design question

How would you design Facebook Events 2.0?

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What this question tests

Tests reimagining an existing, underused product: diagnosing why the current version underperforms before designing a meaningfully different version.

Diagnose why Facebook Events is underused today: competition from dedicated tools (Eventbrite, Partiful), low visibility in the main feed, and a clunky RSVP experience.
Identify users: friend groups planning informal gatherings, and organizers of larger public or community events, who have very different needs.
Prioritize the core problem: for informal events, discoverability and a lightweight, fun invite experience are the real pain points, more than event management tools.
Propose the redesign: a more visual, chat-integrated event creation flow (tied to existing group chats) with lightweight RSVP and post-event photo sharing to drive habitual reuse.
Consider the public-event side separately: better local discovery of public events happening nearby, competing more directly with Eventbrite's discovery use case.
Define success: events created that reach a minimum RSVP threshold, and repeat event creation rate per user, since Events 2.0 needs to become a habit, not a one-off.

Starts by diagnosing why the current product underperforms (competition, low visibility, clunky flow) instead of jumping straight to redesign ideas.
Separates informal friend-group events from public event discovery, since these are genuinely different jobs to be done that the current product blends together.
Proposes integrating event creation into existing group chats, using Facebook's actual asset (its messaging and group graph) rather than a standalone rebuild.
Chooses repeat event creation as a success metric, directly targeting the habit-forming problem that limits Events today.

Redesigning without first explaining why the current version of Facebook Events underperforms.
Treating informal friend gatherings and public event discovery as the same problem needing the same solution.

How would you win back users who have already switched to Partiful or Eventbrite?
How would you measure whether the redesign increased genuine event attendance, not just RSVPs?