For the average internet user, the number of social networks they use and the number of people they follow is monotonically increasing. It's much easier to sign

For the average internet user, the number of social networks they use and the number of people they follow is monotonically increasing. It's much easier to sign-up for something new than it is to delete your account. And it's much easier to add friends than it is to remove them. It's like asking people to get rid of every item in their house that they don't really need. It just requires too much work to sit and analyze someone and think, "Hmm, do I want to never hear from this person again on this network?"