Overview
- Medium released TK as a free app on the web, iOS, and Android that combines daily notes, longer drafts, and group-focused 'Libraries' for private sharing.
- TK's Libraries act like private blogs where small groups or communities can post, comment, and collaborate without public pageview metrics or traffic-based rewards.
- The app embeds large language model features, including a quick 'TK' shortcut that summons AI help for drafting, editing, searching, and organizing users' notes.
- Medium frames TK as a strategic move away from reliance on search referrals and open web traffic and says the app could let the company experiment with packaging paywalled or curated private content for sale.
- Key questions remain about business, rights, and privacy: Medium has described monetization ideas as exploratory, the app's writing is not encrypted by default, and legal or licensing issues around AI usage are unresolved.