How is email used on mobile devices? Infographic

How is email used on mobile devices? Infographic:from Smart Insights Digital Marketing by Dave Chaffey
This infographic from Return Path is a reminder of how the popularity of smartphones and tablets means we have to carefully test our Emails on these devices and think about the changing context of use for email. Apple devices are particularly important accounting for 85% of all email mobile opens.
If you look at the trends it seems mobile could exceed both mobile email client access could exceed both desktop and webmail access to email.

The infographic is based on one billion emails sent by 500 corporate Return Path clients comparing 2012 to 2011.