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§P-007Design + build · Group of 4
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The Other Day

Apr — Jun 2025

StackMobile · Social Computing · Atomic-network design
StatusPrototype
RoleDesign + build · Group of 4
WithDylan Vergara, Cary Xiao, Winnie Chen

A consumer social platform built in CS 278 (Social Computing). Each day, users answer a prompt, vote on yesterday's answers, and see the day-before-yesterday's leaderboard — hence "The Other Day". The delayed-feedback structure was an intentional design choice: it decouples the act of posting from the dopamine of immediate validation, making it harder to optimize for engagement-bait responses.

The project explores atomic network theory in practice — identifying a tight target demographic (18–25, social through tight friend groups) to solve the cold-start problem, framing the platform's social affordances around that demographic's existing humor and reference patterns.

Outcomes from initial testing were mixed in instructive ways: some users played the upvote game (pop-culture references chasing engagement), others stayed genuine despite no reward for doing so. The split surfaced exactly the design tension between competitive game-loop incentives and authentic self-expression — useful signal for the next iteration of the format.

Highlights

  • 01Sociotechnical design: delayed leaderboard intentionally decouples posting from immediate feedback
  • 02Atomic-network targeting: 18–25 friend-group seeded to solve cold start
  • 03Daily Q&A + voting + 2-day-lagged leaderboard mechanic
  • 04Field-test surfaced design tension between engagement-bait and authentic expression

Report

Full writeup · PDF

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