[rchaud]

It is the new Medium, i.e. a VC-backed writing platform with a domain that people consider more legitimate than *.blogspot dot com.

And like Medium, one day Substack too will be filled with inane musings from nobodies and hustle/entreporn content.

The difference is that instead of being designed as a blog with a strong domain ranking and an RSS feed, it's a web page with a strong domain ranking and an email signup interstitial.