Ventureology publishes long-form narrative histories of business and capital formation in American cities, starting with Chicago, with companion biographies to its podcast episodes. Readers get researched stories of founders like Rosenwald, Sears and Swift, framed around how capital, infrastructure and distribution built fortunes.

This newsletter analyses the business opportunities created by Medicaid work requirements, especially the medically frail exemption and reinstatement services, and how a clinical layer could partner with navigation companies like Fortuna Health. It pairs state-by-state policy detail with market reasoning for investors, founders and healthcare executives.

Each issue lays out a specific startup opportunity backed by market data, named competitors and example numbers, then a concrete plan for building it. Paid sections add scoring frameworks, pricing tiers, outreach scripts and MVP timelines.

A daily Spanish-language newsletter by entrepreneur Oso Trava offering business lessons, personal opinions, and tools for growing a company and one's life. Recent issues cover timing in business opportunities, overcoming personal limitations through an interview with entrepreneur José Arozarena, and weekly recommendations on productivity, books, restaurants, and shows.