I’ve seen this linked a few times recently, finally clicked.

– […] we may keep, use and share your personal information with companies connected with Instagram. This information includes your name, email address, school, where you live, pictures, phone number, your likes and dislikes, where you go, who your friends are, how often you use Instagram, and any other personal information we find such as your birthday or who you are chatting with, including in private messages (DMs).

from: A lawyer rewrote Instagram’s terms of service for kids. Now you can understand all of the private data you and your teen are giving up to social media — Quartz

I’ll be sharing this with my pupils soon.