>how can I enter someone's house, shop or car knowing that there will be no less than a half dozen devices listening to my voice or shooting a picture of me wit

>how can I enter someone's house, shop or car knowing that there will be no less than a half dozen devices listening to my voice or shooting a picture of me without asking? There are solutions to that problem: https://xkcd.com/1807/ https://xkcd.com/1807/