Flat Style Touch Screen Gestures Set by Mantas Bačiuška, via Behance
Hci guidelines for touchscreen reach.
Not sure whether you should get an iPhone 6 or an iPhone 6 Plus? This chart can help you decide.
Comfortable touch areas on tablets
The iPhone 6 Plus is a whole lot of phone. This graph can help you figure out if it will work for you.
hard to reach areas on large smartphones
how people hold smartphones
Two-handed use when holding a phone vertically or horizontally
The two methods of cradling a mobile phone