The screenshot you link seems to me indicative of a dark pattern: User unsubscri...

		ronaldx on May 26, 2014 \| parent \| context \| favorite \| on: Scribd and Quora considered harmful The screenshot you link seems to me indicative of a dark pattern: User unsubscribes from all categories (one-by-one-by-one) = invent a new category and auto-subscribe the user.