Twitter Column
Follow growth hackers and entrepreneurs, catch traffic trends.
- Sahil Bloom (@SahilBloom)
- Julian Shapiro (@Julian)
- Brian Lovin (@brian_lovin)
- Lenny Rachitsky (@lennysan)
- Andrew Chen (@andrewchen)
🚀 New Tool
Tweet Scorer
25 signals × real-time scoring. Validate before posting.
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Leverage content and data to systematically find web traffic opportunities
Focus on SEO, channel growth, and product validation. Centered on deep Twitter analytics — tracking top creators and trends.
Latest posts
Motion2MixamoRig Deep Dive: Turning Real-Person Video into a Mixamo Character, What This Project Got Right
The open-source project Motion2MixamoRig retargets a person's motion from video onto a 3D character driven by Adobe Mixamo rigs. This article breaks down its complete pipeline, the fixes for foot sliding and body clipping, the math of finger retargeting, the diagnostic system, and six design philosophies that run through the code.
· 瑞哥观势
Starting November 1, Unpaid Social Insurance Can Be Fined Up to 3 Times! Must Read for Every Business Owner
Announcement No. 20 of 2026 by the State Taxation Administration, the National Tax Administrative Penalty Discretion Benchmark (2026 Edition), takes effect on November 1, bringing unpaid social insurance contributions under a nationwide uniform penalty standard. This article explains the three penalty tiers, the late payment surcharge mechanism, the old-to-new transition rules, and the three things business owners and finance teams must check immediately.
· 瑞哥观势
anything2explainer Deep Dive: Give It a Topic, Get a Code-Drawn Explainer Video
A deep dive into Vincentwei1021's open-source project anything2explainer: this is not a CLI, but a complete methodology that lets AI coding agents produce explainer videos on their own. Covers the project description, core ideas, a full 9-stage hands-on tutorial, a multi-agent division-of-labor protocol, 8 design principles, and the conclusions and limitations distilled from the rework logs of five sample films.
· 瑞哥观势
Latest AI Products
View all →UpLinked B.V. Analysis: How a LinkedIn Content Strategy Tool Achieves $4K MRR
UpLinked B.V. is an AI LinkedIn content strategy tool for B2B coaches, consultants and agencies, generating ~$4K MRR. This article analyzes its business model, user value, product strategy and monetization mechanism.
UpLinked B.V.AI LinkedIn Content Strategy
$0 ARR Immersive Entertainment Platform: Deep Dive into OUT23 Digital Escape Room
OUT23 is an Argentine digital escape room platform founded in June 2025 with $0 MRR, $0 lifetime revenue, yet owning 5 original escape rooms, a full enterprise solution, and a creator marketplace blueprint. This report dissects its product design, monetization paths, user profiles, and reproducible core logic.
OUT23Immersive Digital Entertainment / Enterprise Team Building SaaS
$14,917/Month: How a Brandless AI Website Builder Hit $1M+ ARR with Zero Paid Traffic
An anonymous AI website builder, founded in 2021, zero paid traffic, 1,000+ paying subscribers, $1.1M+ lifetime revenue, 40% profit margin, listed at $160,000. This report deeply analyzes its product design, monetization strategy, user profiles, and reproducible revenue logic.
Anonymous AI Website BuilderAI Website Builder / No-Code SaaS