Mario Gabriele founded The Generalist, a newsletter providing case studies, expert interviews, and news about tech and venture capital, in August 2019. The Generalist has grown to $300,000 in annual recurring revenue (ARR) and attracts 25,000 monthly visitors. The newsletter's success is attributed to Mario's background in tech and venture capital and his passion for writing.

Saijo George founded tl;dr Marketing in 2015, a digital marketing-focused newsletter that has grown to 1 million subscribers and generates $10,000 in monthly revenue. The newsletter targets professionals in SEO, PPC, and social media, providing concise updates on the latest industry trends. Saijo's extensive background in SEO and his passion for sharing marketing insights have driven the newsletter's success.