Major person does not have exactly perception about how much could be invasive technology, what it mean internet (World Wide LAN that interconnect all devices through internet) and how much security perception is lower than how much is dangerous.
Other than this aspect I am taking note about Shodan, that is a search engine, for internet-connected devices.
Here it is a presentation. There are other aspects, for which this website can be used but, due to security aspects/concerns, I would prefer to omit them. (to indicate them on blog)
https://help.shodan.io/the-basics/what-is-shodan
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About other Security/Hacker articles please review below blog sections: