On the other hand, Twitter cares about the information you relate with for monetization purposes. The author says "The social web is about reputation and influence, not necessarily names." That may be the definition of Social Web 1.0 but the next social web will be more about relationships and engagement. For this, names are not necessary but identity is. Reputation and influence scores like Klout are not important, they are merely techniques for marketing. I value the symmetric followers, especially those that begin to converse and engage with you. Here is where identity matters and the best system will be one where identity is not even a question.