In the order they arrived, from the first email after signup.
How often, when and how Instapaper emails its subscribers, measured from every email we received.
Every email Instapaper sent in its first month, grouped by the day it arrived.
Every subject line and preview text, in the order they arrived.
We captured 2 emails from Instapaper after signing up: account verification and welcome emails.
All of its emails arrived on the day we signed up, it sends with mostly Mailgun, and also Amazon SES, its designs lean blue and 50% of its emails use single cta.
Its subject lines run about 30 characters.
