Which Email Clients Are People Using Most? An Analysis of 13 Billion Email Opens [Infographic]

As more and more people use their mobile phones to surf the internet, marketers have had to rethink how and where we create, share, and optimize content on the web -- including email.

In the past year or two, we've seen a number of notable changes in the way people check and read their email.

via HubSpot Marketing Blog http://bitly.com/1ptBAQR