Growth Engine

Every piece here starts from the same place. What is the business trying to achieve, who is it trying to reach, and how would you know if it worked? We write for owners, founders, marketers and agency teams who are tired of reports that celebrate traffic while sales stay flat.

Articles are written by Marcus Hale, the Effina content team's disclosed editorial pen name. You'll get named sources with links, honest caveats about what the evidence can and can't show, and a clear next step at the end of each briefing. We don't publish guaranteed results, invented case studies or conversion rates pulled from thin air.

Browse by section below, or start with the latest briefing.