Oh I wasn’t aware english is a second language to the author. In that case, this article is written vastly better than any article I could write in another language!
I wouldn’t agree with that. Whats stopping the other user screenshotting it? Taking a photo with another device? Or even simply disconnecting from the network so the device can’t even receive the “kill switch command”?
Thats safari, not instagram. you might see that on any other website