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![Techmeme Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::817386.png) Techmeme [@Techmeme](/creator/twitter/Techmeme) on x 422.6K followers
Created: 2025-07-17 14:15:14 UTC

Substack raised $100M from the Chernin Group, a16z, and others, sources say at a $1.1B valuation, as it builds a social network and focuses on advertising (New York Times)







XXXXX engagements

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[Post Link](https://x.com/Techmeme/status/1945849780921414049)