Research

We take products apart in public.

Independent studies of products we weren’t hired to work on: what we noticed, how we checked it, and where the evidence stops. Kit’s founder replied in public; Notion’s Head of EMEA Marketing reached out.

The Perennus Letter

Findings on where lifecycle revenue goes missing, sent when there is something worth saying.

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Find the revenue you’re losing.

Tell us where you think it breaks. We’ll show you what the evidence says.