When you're holding your mobile phone in one hand, you generally have a thumb on the front for scrolling, typing, and tapping, and four fingers dangling more or less uselessly on the back. But perhaps not for long.
When you're holding your mobile phone in one hand, you generally have a thumb on the front for scrolling, typing, and tapping, and four fingers dangling more or less uselessly on the back. But perhaps not for long.