It's similar to privacy 'dead bodies'[1], where users want to know actual concrete examples. I keep a collection of them in a larger directory of web pages about privacy, about instances where 'nebulous' privacy aspects meet reality and users are impacted and upset by it.
[1] Term used by a law professor in Daniel J. Solove's "I've got nothing to hide" and Other Misunderstandings of Privacy
That was an interesting read, thank you!