Jim Hamm found a very helpful and informative article on when/how to shut down apps in your iPhone or iPad. Quick summary: it's best to just use the home button to shut down apps. He was not doing this but was using the wrong procedure as outlined in the article. Shared from Zite: http://www.idownloadblog.com/2015/10/09/why-force-quitting-apps-to-save-battery-life-is-a-terrible-idea/