In the order they arrived, from the first email after signup.
How often, when and how Redken emails its subscribers, measured from every email we received.
Every email Redken sent in its first month, grouped by the day it arrived.
Day 0
Signup day
Day 2
2 days later
Every subject line and preview text, in the order they arrived.
We captured 2 emails from Redken after signing up, all welcome emails.
50% of its emails arrived on the day we signed up and 50% of its emails use discount code.
Its subject lines run about 52 characters.
