Dave Rothgery found a great article on iPhone management, which is solid advice for both PCs and smart phones. http://www.nytimes.com/2016/04/21/technology/personaltech/choosing-to-skipthe-upgrade-and-care-for-the-gadget-youve-got.html?smprod=nytcore-ipad&smid=nytcore-ipad-share
As part of a movement against consumerism, more people are maintaining their electronics instead of constantly buying the newest, fastest model.