Substack announced last week that it acquired Letter, a platform that encourages written dialogue and debate. The financials of the deal weren’t disclosed, but this acquisition follows Substack’s ...

Substack has added tools to help email newsletter publishers build circulation and give subscribers more control over what they read. Publishers can now add sections and create multiple newsletters or ...

As a tech journalist for the website The Verge, Casey Newton established himself as something of a Silicon Valley institution. Known for a mix of original reporting and gimlet-eyed analysis, his ...