How people use mobile devices? . - 75% of users touch the screen only with one thumb. - Fewer than 50% of users hold their phone with one hand. - 36% of users cradle their phone, using their second hand for both greater reach and stability. - 10% of users hold their phone in one hand and tap with a finger of the other hand. People’s touch interactions are faster, more confident, and more accurate as they approach the center of the screen. . Touch isn’t just inaccurate, it’s apparently inconsistently inaccurate. In the research, that the largest variable is not the user’s age, education, familiarity with touchscreens, or anything else designers and developers might normally expect. It is simply the area on the screen the user is trying to tap. Screen 8 shows a chart of touch accuracy for specific parts of the screen that was compiled from all the research analyzed. . Source: Steven Hoober, UXmatters