Look what I found – 18 shiny AI things: research, tools, and updates

Hey, builders!

This week I went deep on AI usage research — and the data is surprising. Turns out 52% of open-source AI usage is... roleplay. Gemini has better retention than ChatGPT. And “act as an expert” prompting? Wharton proved it doesn’t actually work. Microsoft dropped a similar usage report. It’s benchmark panic season.