The microwave keypad was the area they considered the dirtiest.
It gave me dependable wireless access to my e-mail messages, and its keypad was easy to type on.
IF cell phones are to become the mobile communication device of the future, as many experts predict, there is one major hurdle to overcome: the phone keypad was made for entering numbers, not letters.
Because typing text into a telephone keypad was cumbersome and the number of characters in a text message was limited, a form of shorthand evolved, especially among young people.
It is also white, which would quickly get dirty in my house, and the cord between the headset and keypad was stiffer than the other models I tested, so it got in the way more often.
"Several years ago, a small keypad was the only input modality to control the phone, but nowadays the user can use voice, touch, gesture, and eye movement to control and interact with mobile devices," Insoo Kim, Samsung's lead researcher told Technology Review.
