* CampaignMonitor[1] reports just 1.21% usage * litmus[2] reports 2.4% Not the huge market share that you'd expect. [1] http://www.campaignmonitor.com/resour

* CampaignMonitor[1] reports just 1.21% usage * litmus[2] reports 2.4% Not the huge market share that you'd expect. [1] http://www.campaignmonitor.com/resources/will-it-work/email-clients/ http://www.campaignmonitor.com/resources/will-it-work/email-... [2]http://litmus.com/resources/email-client-stats http://litmus.com/resources/email-client-stats