In the order they arrived, from the first email after signup.
How often, when and how IQAir 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 IQAir after signing up, all onboarding emails.
Its only email arrived 3 days after signup, it sends with HubSpot and all of its emails use single cta.
Its subject line is 42 characters long.