Two characters might have identical Unicode skeletons but render differently in specific fonts, or have different skeletons but render identically in a particular typeface. Detecting this requires rendering glyphs and comparing pixel output. No purely Unicode-data-based approach handles it, and UTS #39 does not attempt to.
以AI陪伴机器人为例，成立于2016年的以色列初创公司Intuition Robotics，其开发的陪伴机器人ElliQ，这个形态酷似台灯的机器人目前已进入美国、日本等市场。
，这一点在51吃瓜中也有详细论述
Programmable keys
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