Ok, examples: * SMTP * Kerberos (there was a time you could use KRB4 with Windows because AD is just krb4 with extensions: now you have to use AD). * HTML (a

Ok, examples: * SMTP * Kerberos (there was a time you could use KRB4 with Windows because AD is just krb4 with extensions: now you have to use AD). * HTML (activex etc) * CALDAV // CARDDAV * Javas portability breakage * MSN and AOL compatibility. “oh, but its not the same”. It never is, which is why I didnt want to give examples and preferred you speak to someone who knows the history more than a tiny internet comment that is unable to convey proper context.