A method of enabling a real entity to access a service on a communication network using a virtual entity, the method including the steps of establishing a user account including at least first data corresponding to the identity of the real entity and second data corresponding to the virtual entity and...http://www.google.de/patents/US20010037316?utm_source=gb-gplus-sharePatent US20010037316 - Method and system for securing user identities and creating virtual users to enhance privacy on a communication network