A proxy server for providing transparent proxy services to a user of a client device is provided. The proxy server receives a request from a browser for a unit of digital content, requests the unit of digital content from a remote server, receives the unit of digital content from the remote server, parses...http://www.google.de/patents/US7305473?utm_source=gb-gplus-sharePatent US7305473 - Provision of transparent proxy services to a user of a client device