And... not only do yu decide if updates come to your phone, you do that on a per-person basis. So you'll only see what that friend is doing If You Want To. That

And... not only do yu decide if updates come to your phone, you do that on a per-person basis. So you'll only see what that friend is doing If You Want To. That's about as non-intrusive as it gets. It's entirely under YOUR control.