Sara Fischer@sarafischerSubstack's new "pledge" https://axios.com/newsletters/axios-media-trends-b8b600f4-16dd-4424-88b5-a0bb657c8f05.html?chunk=2&utm_term=twsocialshare#story2… #axiosmediatrendsaxios.comScoop: Substack's new "pledge"Substack is launching a new "pledge" feature that will allow users to submit their credit card information to writers who currently publish their content for free, Axios has learned.5:10 PM · Jan 31, 2023·1,674 Views1 Retweet2 Likes