"Where," they might inquire, "did all the buttons go?" A period of head-scratching might lead them to identify the explosion of the touch screen. Touch has transformed our mobiles in the past two ...

Not everyone has a touch-screen phone. Many still use the old-fashioned ones, where you have to push buttons for each letter or number. The way the two grip the phones and enter the characters is ...

"Where," they might enquire, "did all the buttons go?" A period of head-scratching might lead them to identify the explosion of the touch screen. Touch has transformed our cellphones in the past ...