Persona is distributed. Today.
Web technology (http and relatives) was not meant to do this.
Can do it? of course, but will do it badly..Its time to wake up, and see that we need new kinds of technology to keep up evolvingIts like glue wings in a old car and say that it is a plain and can fly..The idea is good, and we need it badly, but the technology infrastructure its based on is weak for this scenario