Problem-first thinking. A public workspace for thinking through complex, ambiguous problems.https://sarinsaurabh.in/https://sarinsaurabh.in/problem-notes/duolingo-activity-vs-outcome/https://sarinsaurabh.in/problem-notes/duolingo-activity-vs-outcome/Duolingo's engagement system assumes a user who came for the activity. In India, more new users are coming for the outcome.Tue, 05 May 2026 00:00:00 GMThttps://sarinsaurabh.in/case-studies/fpl-pivot-that-kept-too-much/https://sarinsaurabh.in/case-studies/fpl-pivot-that-kept-too-much/We pivoted our FPL app under legal pressure. The pivot kept the codebase, the information architecture, and the existing users. It didn't keep the new user the pivot was supposed to serve.Tue, 05 May 2026 00:00:00 GMThttps://sarinsaurabh.in/problem-notes/pm-mindset-not-role/https://sarinsaurabh.in/problem-notes/pm-mindset-not-role/Product management is talked about as a job. It's a mindset for deciding under uncertainty, and the mindset is broader than the role that named it.Mon, 04 May 2026 00:00:00 GMThttps://sarinsaurabh.in/problem-notes/pms-building-alone/https://sarinsaurabh.in/problem-notes/pms-building-alone/Everyone's celebrating engineers and designers as the new solo builders. The PM, mocked for lacking a craft, was practicing one all along.Wed, 22 Apr 2026 00:00:00 GMThttps://sarinsaurabh.in/problem-notes/pm-role-in-ai-world/https://sarinsaurabh.in/problem-notes/pm-role-in-ai-world/When AI can do the coordination work, what's the PM role actually for? The easy takes miss it.Fri, 17 Apr 2026 00:00:00 GMThttps://sarinsaurabh.in/problem-notes/edtech-engagement-over-learning/https://sarinsaurabh.in/problem-notes/edtech-engagement-over-learning/Learning is the stated goal of every ed-tech company. Why does engagement keep winning?Tue, 13 Jan 2026 00:00:00 GMT