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"With web browsers and text messaging becoming a bigger part of the \"console experience,\" some sort of method for quick text input is definitely a must. Sure, you can plug in a USB keyboard or a thumbboard controller attachment to enter text faster, but who wants to keep track of yet another peripheral? All we want is a quick way to enter text using our standard dual-stick controllers.Enter the appropriately named TwoStick text entry system, which speeds up text entry using a 9 x 9 Sudoku-style grid of letters and symbols. The left stick highlights the desired 3 x 3 sub-section while a quick flick of the right stick enters the appropriate letter within the section. This means that every letter is only two flicks of the thumbs away, rather than a potentially slow trek across the entire screen.After roughly 20 practice sessions, users were an average of about two words per minute faster with TwoStick than standard on-screen QWERTY controller input. That might not seem like much, but remember that every second you save sending that Halo 2 match request is another second you could actually be playing Halo 2. Check out a video of the system in action after the break."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2007/06/21/twostick-system-offers-quicker-on-screen-text-entry/>