Justin Kan on Lessons

10 months ago we shut down Atrium after raising $75m in venture capital. Anyone hearing that knows I made tons of mistakes along the way. Someone asked me today what my biggest lessons learned were. Here they are:

8.8K likes261 repliesPosted Jan 6, 2021

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Viral score

Based on absolute engagement — the platform doesn’t expose follower counts here, so large accounts score higher.

From likes, comments.

Why it worked

Drops you into the middle of a story, so the next line feels necessary.
Uses concrete numbers instead of vague claims, which makes it credible and quotable.
Written from experience rather than as advice, which is harder to argue with.
Short enough to read in full without expanding, which removes a step before the point lands.
Short sentences keep the pace up, so the reader never has to re-read a line.

The mechanics

Hook: Opens mid-story
Structure: Hook → Landing
Style: Conversational paragraphs at a steady pace.
Tone: personal, concrete
Mechanisms: Specificity
Written for: Founders, marketers and operators

Analysis by ViralLoop — not written by the original author.

Topics

Lessons

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