Some key US findings for the five quarters ended 1Q12: Open rates averaged 19.9%, down from a 2009 average of 21.3%. CTRs averaged 5.4%, up from a 2009 average of 4.5%. Unsubscribe rates (0.27%) were ...

Men are likely to open emails throughout the day, whereas women are more likely to have limited windows of time to check their inboxes, according to a recent report by SimpleRelevance. The study, ...