Newsletters are somewhat similar to traditional newspapers delivering content via internet email. The closest domestic equivalent in China was WeChat Official Accounts, but they've drifted apart due to algorithmic recommendations and other changes (though these changes were made to boost ad revenue).Leading newsletter platforms abroad average $10 million in annual revenue, with profits nearly matching revenue (since their only costs are servers and staff). Most creators' income relies on paid subscriptions, which drives them to produce quality content. The top earners generate over $10 million annually.$1.1 Billion in Revenue, $525 Million in Profit: The Most Profitable Creator Platform