HRSzvqxdtMSaHU 笔名: Laurence 于November 02, 19115 07:31:46:
Languages slot machine ringtone mp3 The brainchild of two German entrepreneurs, Lernstift is a regular pen with real ink, but inside is a special motion sensor and a small battery-powered Linux computer with a WiFi chip. Together those parts allow the pen to recognize specific movements, letter shapes and know a wide assortment of words. If it senses bad letter formation or messy handwriting, it will gently vibrate. The goal is also to make it smart enough that when you misspell a word it will vibrate as well. 所有跟贴:
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