Sometimes clunky old technologies ... keypad is a prime example. The letters on each key–“ABC” on the 2 key, “DEF” on the 3 key, and so on–are a legacy of the 1920s, when phone numbers ...

Next year could see the appearance of mobile phones that have a redesigned keypad that gives each letter and number its own key. If widely adopted, the keypad could end the need for predictive text ...