Email Client Market Share [INFOGRAPHIC] By David Erickson | September 3, 2012 In this infographic, Litmus breaks down the market share of the most popular email clients. Posted in Consumer Behavior, Email Marketing, Mobile Behavior, Mobile Marketing, Online Behavior, Technographics, Web Development and tagged Android, AOL, Apple Mail, Computers, Gmail, Hotmail, Infographic, iPad, iPhone, Mobile Phones, Outlook, Smart Phones, Tablets, Webmail, Windows Live Mail, Yahoo! Mail