Newsletter Sponsorship Research — Creator Engagement Rates
Substack hides subscriber counts, so engagement is the honest proxy — this run pulls the 10 latest posts each from Kyla Scanlon, Apricitas Economics, Big Technology and Understanding AI for 40 comparable rows. Each row carries likes, comment count, restacks, word count, audience and publish date, enough to compute median engagement per post and posting frequency for every creator before you buy a
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