Privacy Please is an ongoing series exploring the ways privacy is violated in the modern world, and what can be done about it. Your iPhone has trouble keeping secrets. Thankfully, there’s something you can do about it. What you do on the internet, what apps you download, and, often, where you go are all data points that can be linked to an iPhone’s so-called advertising identifier (Android phones have a similar Advertising ID).
Link: How to hide your iPhone’s unique name from apps (and why you should)