Email client popularity
Posted: April 18th, 2009 | Author: tipsorg | Filed under: Emailing, Internet trends | 1 Comment »6 months of data covering more than 250 million opens. The result – a birds eye view of email client popularity and usage trends over time. (Campaign Monitor)

This is good data, thanks.Outlook Track-It is awesome if you use Outlook. There is a followup email reminder on a toolbar that you can set for important emails.