Premium RSS feeds are one option, as well as putting only a brief summary of the article into the RSS with a link to the full site. The monetization model will probably look similar to Twitter, except without needing to dodge algorithmic uncertainty since RSS is a pure feed.
Plus, Outlook does have an RSS feed function. The incentive can be the same as newsletter publication. It just depends on how you want to reach people.
Plus, Outlook does have an RSS feed function. The incentive can be the same as newsletter publication. It just depends on how you want to reach people.