Does opting out of TV tracking work?
摘要
一项研究测试了退出电视自动内容识别追踪是否有效。研究人员监测10个品牌的12台电视后发现，退出选项对多数电视有效，包括LG、亚马逊Fire TV、索尼Bravia及搭载Vidaa OS的电视；但三星和Roku仍会发送部分数据，沃尔玛旗下的Vizio电视则似乎完全未受退出设置影响。
The fact our TVs are gathering our information isn't new, but what and how they're tracking - and if we can stop it - is hard to figure out. Researchers at Northeastern University monitored 12 TVs from 10 manufacturers to test whether opting out of automatic content recognition (ACR) actually works. While opting out was effective for most TVs - including LG, Amazon Fire TV, a Sony Bravia running Google TV, and those with Vidaa OS (which can be found on TVs from Hisense, Toshiba, and smaller brands like the Supersonic used in the study) - Samsung and Roku kept sending some data. And Walmart's Vizio TV continued on as if the opt-out hadn't eve …
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