Samsung Galaxy S 4 has built in SwiftKey prediction software


SwiftKey learns how you type and automatically makes adjustments
Using a heatmap, SwiftKey can show you on the phone what letters you mean to type when your finger hits a certain spot on the screen. Eventually, the program knows that you mean to hit a "W" instead of a "Q" and makes the necessary change automatically. SwiftKey's technology drives the QWERTY on the new BlackBerry Z10 and the actual SwiftKey app has been purchased more than 15 million times making it one of the top selling paid apps on the Android platform.
As usual, improving the speed at which a smartphone user can type on the device is all about money in the guise of helping the smartphone buyer have a more enjoyable experience with his/her phone. The faster that users can input data, the quicker that user can go back to shopping, or doing something that generates revenues for the manufacturer or carrier.
source: WSJ
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