If there was ever a case study that showcased just how quickly mobile impacted online behavior, it's email. In just a few years mobile has overtaken desktop and webmail clients and changed when and where people read their email.
- More than 20% of emails sent during the first six months of 2011 were opened on mobile devices. (source)
- In February 2012, mobile overtook webmail client usage. (source)
- As of March 2013 more email was read on mobile than on a desktop email clients or via webmail. (source)
- 79% use their smartphone for reading email, a higher percentage than those who used it for making calls. (source)
- 43% of mobile email users check email four or more times per day. (source)
- The percentage of people that use on email on their smartphone is very different per country. Ranging from 75% in the last month in US, to 17% in India. (source)
- 72% of the people tested in a MailChimp study read their emails in bed. (source)
- 77% of participants reported that they check their email “everywhere” or “obsessively.” (source)
- Other popular locations for reading email included on public transportation, out to eat, waiting in line, and more. (source)