Practitioners inside Lenny Rachitsky's members-only Slack are working through five concrete problems this week: writing PRDs for AI agents, tracking competitor messaging systematically, the current state of software moats, and the financial mechanics of exercising startup options after departure.
The moats question is the one worth reading in full. The community is not debating whether moats exist in the abstract. They are arguing about which specific moat types still hold when AI can compress the build cycle from months to days. The competitor messaging thread is similarly tactical, with members sharing the actual tools and cadences they use, not frameworks.
The options exercise discussion is where theory meets irreversible financial decisions. Timing, tax treatment under AMT, and post-termination exercise windows all come up. If you have unvested or unexercised equity tied to a job you are leaving, this thread has direct operational value.
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