What is an Apple ID?
Do I have one?
If so, when and where did I get it?
Is it my "Username"?
I saw a website online that says it would give your your "Apple ID" if you start answering all of these sensitive stuff, and I was like, "No way!!"
Now I'm nervous...
Debbie
If you have ever bought any software from Apple directly, you were assigned an Apple ID - software from the app store, or anything through iTunes. It is how the Apple servers keep track of who is entitled to download stuff, to reinstall software that comes on a system, etc. If you use iCloud you have an Apple ID.
Yes it's like a Username, though it is usually also an email address.
If you have not had anything shipped to you from Apple, then the info attached to your Apple ID can be pretty anonymous, depending on how accurate your answers were during the registration process. It's amazing how many profiles I have that list me as living on Rodent Avenue in Banff, AB... for example.
In this first case, Apple knows a great deal about the purchasing history of the person assigned this ID... but may not be able to attach that history to you specifically.
If you have registered your computer with Apple (I think this is necessary to get updates) then you have an Apple ID. What personal information is attached is of course dependent on how accurate you were with your answers.
If you have ever had stuff shipped to you, or registered a credit card to the ID then then Apple has a more complete picture since they also have an address, and in the case of the credit card registration, an accurate name. And very likely they have shared in some capacity this info with a credit agency and or credit card company, etc.
If you have every had an AppleCare warranty repair - then it is likely that there is a note on your Apple ID.
I have several Apple IDs - not on purpose. But in hind-sight it does mean that Apple has an incomplete picture of me. Suits me.
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There are nonsensical addresses and phone numbers that will pass most automated address and phone number verification checks. These are the ones that could actually exist - but are reserved for other uses.