Growing an email newsletter to 16k+ subscribers whilst validating your startup idea
3 min readJul 28, 2020
Dan Shipper was big productivity nerd. After his company Firefly was acquired he spent a couple of years angel investing before he began to think about creating something in the ever-expanding software productivity space.
However, he first needed to understand the space better. So in August 2019 Dan set out to speak to…