The goal was to drive an emotional response from the email campaign. More than 12 million unique emails were sent, with the email content personalised to the individual recipient with information on distances the subscriber had travelled, interesting facts such as how many football pitches that would be and other destinations they could have travelled too.
When it comes to deciding how to craft that perfect subject line, there appears to be really only one area to avoid: the subject line of 60 to 70 characters. Marketers refer to this as the “dead zone” of subject length. According to research by Adestra, which tracked over 900 million emails for its report, there is no increase in either open rate or clickthroughs at this 60-to-70 character length of subject line.
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