A private messaging system including multiple interoperating, yet potentially competing, trusted couriers. A method and apparatus are provided for the purpose of distributing a trusted courier such that foreground and background messages are handled independently by separate components....http://www.google.fr/patents/US7313688?utm_source=gb-gplus-shareBrevet US7313688 - Method and apparatus for private messaging among users supported by independent and interoperating couriers
Method and apparatus for private messaging among users supported by ...
