Phones and apps can still evolve to be easier and cheaper.
Apps can soon migrate to being browseer based, ie HTML5.
http://www.infoworld.com/t/mobile-development/forrester-html5-apps-still-not-good-native-apps-235189
When this happens the need for a special OS to manage apps may disappear.
The most popular apps, when on PC or laptop, are browser based:
http://mashable.com/2014/04/03/popular-apps-chart/
Facebook, youtube, mail all come from the browser and can go back there with HTML5 functionality.
Wifi hotspots can grow bigger and easier to obtain:
http://www.bostonglobe.com/business/2014/04/08/boston-launches-wicked-free-network-starting-grove-hall/m3JI6hmWTCvQa8Ca4ZrLuK/story.html
http://techcrunch.com/2014/07/21/google-in-the-running-to-turn-nyc-pay-phones-into-free-wi-fi-hotspots/
http://flets.com/freewifi/service.html
So basic phone functionality may soon be available trough a simple browser, and accessed in many cities with simple wifi.







