2014年，依托NLP技术，儿童机器人赛道单月出货量达到数百万台，一片繁荣。但到了2017年，阿里、小米、百度都纷纷下场做智能音箱，并通过低价策略迅速抢占市场，那时几乎人手一个天猫精灵，或者是小度、小爱同学。儿童机器人几乎全军覆没。
（本报记者赵成、吴丹、朱隽、王昊男、侯琳良、杨文明、王云娜、刘军国、李心萍、寇江泽、李林蔚、常钦、刘新吾、郑洋洋、李俊杰）。91视频对此有专业解读
Раскрыты подробности похищения ребенка в Смоленске09:27，这一点在爱思助手下载最新版本中也有详细论述
We wanted a scenario where, say, 5 well-placed border points could efficiently represent an area with 5,000 internal points and 10,000 road edges. This would reduce those 10,000 edges to just 5*4/2 = 10 shortcuts for routing through that cluster at a high level – an incredible 1:1000 point ratio and a 30x reduction in edges to consider for the high-level path!