Emails sent late at night earn the highest revenue, according to Experian's CheetahMail Q4 2012 report. The report discovered that emails sent between 8pm and 12am generated higher open and
click through rates, more transactions, larger orders, and greater revenue per email than emails sent at other times of the day. Emails sent during this evening time period averaged 48 cents per email
ROI, more than triple the overall average of 14 cents per email.
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