In the order they arrived, from the first email after signup.
How often, when and how Invoice Generator emails its subscribers, measured from every email we received.
Every email Invoice Generator 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 Invoice Generator after signing up: security alert and account verification emails.
All of its emails arrived on the day we signed up, it sends with Amazon SES, its designs lean blue and green and 50% of its emails use plain text.
Its subject lines run about 25 characters.
