Six Markdown Files and a Mobile Mic

How a Seer Interactive Director Built Her Content Pipeline

On August 19, 2025, Christina Blake — Director, Product at the Philadelphia-based digital marketing agency Seer Interactive — published a post on her firm's insights blog with a deliberately blunt headline: AI Blogs Are Mostly Trash (Unless You Build One Like This). The piece doubles as a working document. Blake describes the exact six-agent system she used to write the post she is publishing, and sh...

She Fired a $4,000-a-Month Content Team.

Two AI Tools Replaced Them

Carrie used to pay a content team $4,000 a month to help her run her newsletter. Now she pays for two AI subscriptions and gets the work done before lunch.

Writing on her Substack publication Thrive with Carrie, the six-figure solo newsletter operator detailed the workflow in a post titled My AI Newsletter Production Line (Under 60 Minutes). The headline number is the part that made it travel. The structure underneath it is...