In the order they arrived, from the first email after signup.
How often, when and how SocialRails emails its subscribers, measured from every email we received.
Every email SocialRails 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 SocialRails after signing up: account verification and welcome emails.
All of its emails arrived on the day we signed up, it sends with Amazon SES, its designs lean black & white and all of its emails use plain text.
Its subject lines run about 27 characters.