Things I built — products, experiments, and weekend projects. WIPs, MVPs, full versions, all listed here.
IMPACT: False-Positive Simulation
Interactive statistical simulation showing how many false positives occur when comparing N(0,1) vs N(0,1) samples. Demonstrates Type I error rates and the multiple testing problem.
IMPACT: Corporate Waste Visualization
Meeting Cost Clock—a Gonzo tool to visualize corporate waste. Calculate real-time meeting expenses and see what you could buy with that money. Add employees by role/grade or custom salary.
Daily moment to think about yourself, just in one emoji.
IMPACT: Retention Prediction
Power Law regression tool that takes a few retention data points and predicts your full 365-day retention curve. Includes Gonzo verdict analysis based on Day 30 and curve behavior.
Build simple statistics for your channel or chat: activity heatmap, top contributors, most frequent nouns. No data is sent to the server.
Interactive tool for building percentile charts, based on ideas from the percentiles article. Currently MVP.
A tool to showcase how false positives look in data.
Online tool for planning A/B tests using KPI tree visualization.
A host-driven live quiz app designed for big screens and live events.
A touristic experiment I have organized for the expat community. Three days, three wineries, three regions, two countries.
The first run is on May 21, 2026. Fingers crossed!
IMPACT: Spontaneous travels +50%
Telegram bot which checks the flight details by your parameters.
Cheaper flights for you
IMPACT: LinkedIn visibility +
Your daily digest of posts on specific thematics in LinkedIn + AI-powered ideas for comments.
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