The causes of plantar fasciitis are not entirely clear. Risk factors include overuse such as from long periods of standing, an increase in exercise, and obesity. It is also associated with inward rolling of the foot and a lifestyle that involves little exercise.
The Samsung Galaxy S4 is an Android smartphone produced by Samsung Electronics and was first shown publicly on March 14, 2013 at Samsung Mobile Unpacked in New York City.
1 The OS is built on the Android Linux kernel, using Android drivers, but does not use any of the Java-like code of Android. 2  2013 BlackBerry releases their new operating system for smartphones, BlackBerry 10. 3  2013 Google releases Android KitKat 4.4. 4  2014 Microsoft releases Windows Phone 8.1 in February 2014.