TED Talk On How Your Smart Devices Know and Share Everything About You — Everything 

 By B.N. Frank

All wireless “Smart” devices collect data often without users knowledge or consent while simultaneously emitting harmful electromagnetic radiation which can make people and animals sick (see 1, 2, 3. 4. 5. 6. 7. 8) AND increase their cancer risk (see 1. 2. 3, 4). More details about data collection from “Smart” and WiFi-enabled products by 2 tech experts.

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https://www.activistpost.com/2020/08/ted-talk-on-how-your-smart-devices-know-and-share-everything-about-you-everything.html