Mailbrewby Fabrizio Rinaldi
Fabrizio Rinaldi and Francesco quit their tech jobs in late 2018 to launch side-projects under Superlinear. They built Mailbrew, a SaaS app that creates automated email digests from users' favorite sources (Twitter, Reddit, blogs, RSS feeds), launching in March 2020 after a 6-month private beta. Within weeks of launch, they had 2,000+ signups, made it to the front page of Hacker News, acquired 40 paying customers, and reached $2,000/month MRR.
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