Trend I'm following: Teams using AI "simulations" to quickly test product ideas and flow tweaks.
Products like @simile_ai, @primitivelabsai, @syntheticusers, and others.
If you've tried something like this, how'd it go?Lenny Rachitsky on X · Oct 6, 2026
Notes a trend of teams using AI simulations to quickly test product ideas and flows, and asks for experiences with these tools.
Summary and takeaways written by PM Atlas; quotes are short excerpts. © the original author.