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2月初 ,谷歌宣布将多年独立运营的Nest公司重新并入谷歌,与谷歌智能音箱业务合并。几周后,亚马逊便宣布以10亿美元的价格收购了智能可视门铃制造商Ring,同时亚马逊也将不再出售Nest设备 。一场智能家