It all began with Benedict Evans’s newsletter, Martijn felt he could no longer keep up with the information overload in his Twitter feed.
Reinventing the newsletter
Mohamed el Maslouhi

It shouldn’t be a comma after newsletter.

Either a semicolon or a period would work.

One clap, two clap, three clap, forty?

By clapping more or less, you can signal to us which stories really stand out.