[loup-vaillant]

By "consent", he meant "informed consent". That requires reading the terms of service and understand their implications. Few people actually do that. The rest of us merely click our way to something that "just works".

For instance few Gmail users are actually aware that Google is routinely doing semantic analysis of their e-mail. When I tell them, they're invariably mildly shocked. (I insist on "semantic" even if their methods are statistical, because Markov chains are highly correlated to meaning.)