The WAU effect As I argue in Understanding ChatGPT’s unit economics, OpenAI's choice to report Weekly Active Users (WAU) instead of the more… December 23, 2025
INSERT COIN: Will lower App Store fees mean lower prices in free-to-play games? One question I've wanted to consider formally for some time is whether a lower commission rate in the App Store… June 11, 2025
Introducing Darkpool Chart Explorer I am excited today to launch Darkpool Chart Explorer, a mobile app store analytics and visualization tool. The Darkpool Chart… February 15, 2024
