ShapeWriter: Making Gesture Writing on Mobile Devices Easy..
Google Tech Talk May 29, 2009 ABSTRACT [added live demo to beginning] ShapeWriter: making gesture writing on mobile devices easy, fast, and fun. Presented by Shumin Zhai A new wave of touchscreen devices, led by the iPhone, is rapidly changing the way people interact with information. In the absence of a full sized physical keyboard’s rich feedback, text input presents a difficult user interface challenge to touchscreen devices. In this talk I will summarize the key ideas from a decade-long project on mobile text entry. The project culminated in the ShapeWriter input method for touch screen devices. For each word in a large lexicon, ShapeWriter defines a word pattern by connecting the word’s letters on a soft keyboard. For example the word “fun” is entered by a single stroke approximately starting from the letter key f to u and ending on n. ShapeWriter uses intelligent algorithms to recognize these patterns with error tolerance. A new user can look at the keyboard and trace the word from letter to letter. Over time, users are able to recall patterns and shape write rapidly. Being a form of shorthand (one word per stroke), shape writing is many times more efficient than letter based writing. Now available across multiple mobile platforms, ShapeWriter has been well-received by users and recognized on the lists of, among others, Time’s top 11 iPhone must have apps, Razorfish Digital Outlook’s top 10 mobile technologies to watch, and ADC Round 1 winners. Indeed, one user went …
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