In the order they arrived, from the first email after signup.
How often, when and how ClassDojo emails its subscribers, measured from every email we received.
Every subject line and preview text, in the order they arrived.
We captured 1 email from ClassDojo after signing up, all account verification emails.
Its only email arrived on the day we signed up, it sends with Amazon SES and all of its emails use plain text.
Its subject line is 42 characters long.