Medium is a publishing/reading platform operated by A Medium Corporation, a private company whose own privacy policy states it collects account, content, and automatic device/network data (including IP address and device identifiers), works with third-party analytics providers using cookies and web beacons, and shares personal information with its own parents/affiliates/subsidiaries but states plainly that it does not sell personal information. Medium's business model is subscription-funded rather than ad-supported: its own "About" page states the company is "supported by a growing community of over a million Medium members" instead of "selling ads or selling your data," and its Apple App Store privacy label declares no data used to track users across other companies' apps or sites (only a first-party "Analytics" purpose), unlike ad-funded peers. Ownership is not independently filed like a public company's, but the entity name ("A Medium Corporation") is self-disclosed in both the policy and the App Store listing, and Wikidata's registry entry lists the company as owned by co-founder Evan Williams and headquartered in San Francisco. No FTC action, state-AG order, breach disclosure, or class-action settlement involving Medium was identified from primary sources as of this review, so track record rests on an absence of negative artifacts plus a concrete, self-imposed 14-day account-deletion commitment rather than a published audit or bounty program.