It's weird that the author would include Shopify in a list of companies that don't create their own tools. Shopify is one of the most prolific technology creat

It's weird that the author would include Shopify in a list of companies that don't create their own tools. Shopify is one of the most prolific technology creators in the tech community. Their CEO was on the original core Rails team and is directly responsible for several common libraries and concepts that have been picked up by other tools.