In the order they arrived, from the first email after signup.
How often, when and how Pingdom 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 Pingdom after signing up, all event invite emails.
Its only email arrived 10 days after signup, it sends with Marketo, its designs lean teal and orange and all of its emails use countdown.
Its subject line is 40 characters long.