Why do we require user registration? Because the value of an application is usually tied to the community it serves. The larger the community, the more value. W

Why do we require user registration? Because the value of an application is usually tied to the community it serves. The larger the community, the more value. Without a login, it's more difficult to gauge the community. Also, personalization of site. You could do that solely with a cookie, but then when I'm on another computer ...