Have you ever felt the websites you are watching casually, the displayed ads matched your interests and interests? The banner ads seen on the mail order site are repeatedly displayed,Many people have experienced that housing -related advertisements will stand out after accessing the real estate brokerage site.Easy to put, it's nothing more than you have been locked on to the target advertisement.
One of the privacy protection functions was introduced to iOS to disable the target advertisement.Tap the "I" button for the appropriate access point on the "Settings" → "Wi-Fi" screen and check the details screen.If you look at the Wi-Fi address (for example, "CE: 42: 78: A1: CC: 05"), you should be able to confirm that all access points are different.
This Wi-Fi address is called the "Mac (Media Access Control) address" assigned for each network IC, and there are no two, and it does not overlap with other smartphones/personal computers.If you can catch this MAC address, you can track a specific person's actions and distribute target advertisements according to hobbies.
The private address introduced on iOS 14 is originally "disguised" a Wi-Fi-specific MAC address, and enables the "private address" switch on the Wi-Fi access point details screen when turns on.Become.When turned off, the iPhone-specific (installed network IC-specific MAC address) is used, so the same MAC address is used no matter which Wi-Fi access point connected.
In other words, if you turn off your private address, your iPhone's privacy will be reduced.As with some video recorders, you should use it on it unless you plan to use a home appliance that manages the terminal with a MAC address.
