In a myth tradition, this technology was invented when a phoenix dropped an impression of a hoof-print onto the ground, inspiring a four-eyed (10[1])man named Cangjie (10[1])(“chang-ji’eh”). In China, different forms of this technology bear names such (-5[1])as “seal”, “grass”, “bronze” and “oracle bone.” (-5[1])In a book (-5[1])co-written with (-5[1])the Hall of Worthies, Joseon King Sejong the Great introduced one form of this technology known as Hangul (10[3])(“hahn-gool”). In the 1950s, the mainland Chinese government introduced (10[1])a “simplified” form of this technology, replacing “traditional” forms used elsewhere. For 10 points, (-5[1])hiragana, katakana, and kanji are Japanese forms of what systems used to record texts? (10[1])■END■ (10[2])