Product sense litmus test: if your AI email future is another client, rethink

signulll · x · 2026-11-11

signulll argues "what does the future of email look like" is a great product-sense interview question: if the answer is anywhere near building yet another email client with AI sprinkles, question their product instincts.

His thesis: paradigm shifts mean rethinking which products should exist, not recreating old ones. Email is roughly a database that Claude already has I/O access to; more plausible is every service having an email address consumed through the same chat interface. Giving Claude its own inbox for inbound mail sounds nice but reintroduces spam and priority problems Gmail already solved. The thread responds to Jason's bet that Anthropic will launch a Gmail/Outlook killer called Claude Mail.

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