It may be a serious problem for Google+ that Google Apps users cannot sign up. They are alienating their most loyal customers. I still check G+ every day, and

It may be a serious problem for Google+ that Google Apps users cannot sign up. They are alienating their most loyal customers. I still check G+ every day, and there's a core of active users in my circles. But it would be more useful if I could connect with my colleagues who are Apps users.