When mobile is the norm: researching mobile information systems and mobility as post-adoption phenomena

 In 2006, European Journal of Information Systems (EJIS) published a special issue on mobile user behaviour. In that issue, scholars explored topics related to the rise of the mobile phenomenon at the time (CitationVan der Heijden & Junglas, 2006). Since then, we have continued to witness the rapid global proliferation of mobile devices. There are now almost as many mobile phone subscriptions as there are people on earth, with 7 billion subscriptions expected to be active by the end of 2014 (CitationInternational Telecommunication Union, 2014), compared with just 2.75 billion in 2006 (CitationInternational Telecommunication Union, 2013). Mobile services are prevalent in affluent and less affluent societies. Hundreds of millions of users in developing countries access social media sites like Facebook and Twitter on their feature phones, and well over half the population in many developed countries now use smartphones (CitationOfcom, 2013). It is anticipated there will be 2.3 billion mobile broadband subscriptions by the end of the 2014, 55% of which will serve users in the developing world, often as their only broadband connection (CitationInternational Telecommunication Union, 2014).