T9, which stands for Text on 9 keys, is a patented predictive text technology for mobile phones. It allows words to be entered by a single key press for each letter, as opposed to the multi-tap approach used in the older generation of mobile phones in which several letters are associated with each key, and selecting one letter often requires multiple key presses.
It combines the groups of letters on each phone key with a fast-access dictionary of words. It looks up in the dictionary all words corresponding to the sequence of key presses and orders them by frequency of use.
As it gains familiarity with the words and phrases the user commonly uses, it speeds up the process by offering the most frequently used words first and then lets the user access other choices with one or more presses of a predefined Next key.
The dictionary can be expanded by adding missing words, enabling them to be recognized in the future. After introducing a new word, the next time the user tries to produce that word T9 will add it to the predictive dictionary.
T9 is useful but it can be dangerous as you can accidentally send something that is meaningless or says something else. For example: you might want to send a message to your girlfriend saying “when are you going to leave for home?” This can come out in a different way: “when are you going to leave for good?”
QWERTY is a standard layout for letter keys on text keyboards and thumb boards. Originally created for typewriters, it is currently the layout found on most English-language computer keyboards. It is named for the order of the first six keys on the top row, which happen to form a pronounceable word.
On phones, the keys are usually much smaller and closer together. This means they cannot be used with two full Multitexpro: sterke hands like full-size keyboard, but rather are designed to be used with two thumbs while holding the phone. Even traditional touch-typing is not possible on a phone’s small QWERTY keyboard, the familiar layout makes it easier to find the correct letter among a large number of keys.
People tend to choose QWERTY phones because they want an experience that mimics the desktop thereby allowing the user to enter text quickly and easily. An example of a QWERTY “keyboard” phone is the BlackBerry 8310 Curve. Techno snobs tend to call the BlackBerry a “device” rather than a phone because it is used for both voice and data.
If you are keen on keeping up to date with your emails then getting a phone with an email client, push email support and a Qwerty keypad could be a wise buy. Another feature to consider is the Qwerty keypad itself. Some Qwerty keypads have two letters per key, whereas others give you a full set of individual keys. A full set of keys is easier to adapt to if you’re a keyboard veteran, but the two-letters-per-key system can speed up your typing using predictive text.